CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available" lang="is" dir="ltr"> <head> <meta charset="UTF-8"> <title>Náttúrlegar tölur - Wikipedia, frjálsa alfræðiritið</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available";var cookie=document.cookie.match(/(?:^|; )iswikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t.",".\t,"],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmyt", "wgMonthNames":["","janúar","febrúar","mars","apríl","maí","júní","júlí","ágúst","september","október","nóvember","desember"],"wgRequestId":"92acbc50-1c5c-452f-b3ac-f777f6b4b888","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Náttúrlegar_tölur","wgTitle":"Náttúrlegar tölur","wgCurRevisionId":1653473,"wgRevisionId":1653473,"wgArticleId":1114,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Síður sem nota JsonConfig","Talnamengi í stærðfræði"],"wgPageViewLanguage":"is","wgPageContentLanguage":"is","wgPageContentModel":"wikitext","wgRelevantPageName":"Náttúrlegar_tölur","wgRelevantArticleId":1114,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true, "wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"is","pageLanguageDir":"ltr","pageVariantFallbacks":"is"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":2000,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q21199","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.gadget.graabot":"ready","ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading", "ext.math.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["site","mediawiki.page.ready","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.urlShortener.toolbar","ext.centralauth.centralautologin","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=is&modules=ext.math.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=is&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=is&modules=ext.gadget.graabot&only=styles&skin=vector-2022"> <link rel="stylesheet" href="/w/load.php?lang=is&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.17"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Náttúrlegar tölur - Wikipedia, frjálsa alfræðiritið"> <meta property="og:type" content="website"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//is.m.wikipedia.org/wiki/N%C3%A1tt%C3%BArlegar_t%C3%B6lur"> <link rel="alternate" type="application/x-wiki" title="Breyta" href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (is)"> <link rel="EditURI" type="application/rsd+xml" href="//is.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://is.wikipedia.org/wiki/N%C3%A1tt%C3%BArlegar_t%C3%B6lur"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.is"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom-streymi" href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:N%C3%BDlegar_breytingar&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Náttúrlegar_tölur rootpage-Náttúrlegar_tölur skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Fara í innihald</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Vefsíða"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="Aðalvalmynd" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Aðalvalmynd" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Aðalvalmynd</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Aðalvalmynd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">fela</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Flakk </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Fors%C3%AD%C3%B0a" title="Forsíða Wikipedia [z]" accesskey="z"><span>Forsíða</span></a></li><li id="n-Úrvalsefni" class="mw-list-item"><a href="/wiki/G%C3%A1tt:%C3%9Arvalsefni"><span>Úrvalsefni</span></a></li><li id="n-Efnisyfirlit" class="mw-list-item"><a href="/wiki/Flokkur:Efnisyfirlit"><span>Efnisyfirlit</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Handah%C3%B3fsvalin_s%C3%AD%C3%B0a" title="Handahófsvalin síða [x]" accesskey="x"><span>Handahófsvalin síða</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Hj%C3%A1lp:Efnisyfirlit" title="Efnisyfirlit yfir hjálparsíður."><span>Hjálp</span></a></li><li id="n-specialpages" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Kerfiss%C3%AD%C3%B0ur"><span>Kerfissíður</span></a></li> </ul> </div> </div> <div id="p-verkefnið" class="vector-menu mw-portlet mw-portlet-verkefnið" > <div class="vector-menu-heading"> Verkefnið </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDlegar_breytingar" title="Listi yfir nýlegar breytingar. [r]" accesskey="r"><span>Nýlegar breytingar</span></a></li><li id="n-newpages" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDjustu_greinar"><span>Nýjustu greinar</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Samf%C3%A9lagsg%C3%A1tt" title="Um verkefnið, hvernig er hægt að hjálpa og hvar á að byrja"><span>Samfélagsgátt</span></a></li><li id="n-Potturinn" class="mw-list-item"><a href="/wiki/Wikipedia:Potturinn"><span>Potturinn</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Fors%C3%AD%C3%B0a" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="Frjálsa alfræðiritið" src="/static/images/mobile/copyright/wikipedia-tagline-is.svg" width="118" height="12" style="width: 7.375em; height: 0.75em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Kerfiss%C3%AD%C3%B0a:Leit" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Leit á þessari Wiki [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Leit</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Leita á Wikipedia" aria-label="Leita á Wikipedia" autocapitalize="sentences" title="Leit á þessari Wiki [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Kerfissíða:Leit"> </div> <button class="cdx-button cdx-search-input__end-button">Leita</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Persónuleg verkfæri"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Útlit"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Breyttu leturstærð, breidd og bakgrunnslit vefsíðunnar" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Útlit" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Útlit</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=is.wikipedia.org&uselang=is" class=""><span>Fjárframlög</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:B%C3%BAa_til_a%C3%B0gang&returnto=N%C3%A1tt%C3%BArlegar+t%C3%B6lur" title="Þú ert hvattur/hvött til að búa til aðgang og skrá þig inn; en það er ekki skylda" class=""><span>Búa til aðgang</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:Innskr%C3%A1&returnto=N%C3%A1tt%C3%BArlegar+t%C3%B6lur" title="Þú ert hvattur/hvött til að innskrá þig, það er hinsvegar ekki skylda. [o]" accesskey="o" class=""><span>Skrá inn</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Frekari valkostir" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Persónuleg verkfæri" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Persónuleg verkfæri</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal" title="Notandavalmynd" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=is.wikipedia.org&uselang=is"><span>Fjárframlög</span></a></li><li id="pt-contribute" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Contribute"><span class="vector-icon mw-ui-icon-edit mw-ui-icon-wikimedia-edit"></span> <span>Taka þátt</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:B%C3%BAa_til_a%C3%B0gang&returnto=N%C3%A1tt%C3%BArlegar+t%C3%B6lur" title="Þú ert hvattur/hvött til að búa til aðgang og skrá þig inn; en það er ekki skylda"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Búa til aðgang</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:Innskr%C3%A1&returnto=N%C3%A1tt%C3%BArlegar+t%C3%B6lur" title="Þú ert hvattur/hvött til að innskrá þig, það er hinsvegar ekki skylda. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Skrá inn</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Síður fyrir útskráða notendur <a href="/wiki/Hj%C3%A1lp:Introduction" aria-label="Læra meira um breytingar"><span>Læra meira</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Spjallas%C3%AD%C3%B0a_m%C3%ADn" title="Spjall um breytingar frá þessu IP-staðfangi [n]" accesskey="n"><span>Spjall</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Vefsíða"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Efni" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Efni</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">fela</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Byrjun</div> </a> </li> <li id="toc-Tenglar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tenglar"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Tenglar</span> </div> </a> <ul id="toc-Tenglar-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Efni" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Efnisyfirlit" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Sýna/fela efnisyfirlit" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Sýna/fela efnisyfirlit</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Náttúrlegar tölur</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Fara á grein á öðru tungumáli. Til staðar á 149 tungumálum" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-149" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">149 tungumál</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ab mw-list-item"><a href="https://ab.wikipedia.org/wiki/%D0%98%D4%A5%D1%81%D0%B0%D0%B1%D0%B0%D1%80%D0%B0%D1%82%D3%99%D1%83_%D0%B0%D1%85%D1%8B%D4%A5%D1%85%D1%8C%D0%B0%D3%A1%D0%B0%D1%80%D0%B0" title="Иԥсабаратәу ахыԥхьаӡара – abkasíska" lang="ab" hreflang="ab" data-title="Иԥсабаратәу ахыԥхьаӡара" data-language-autonym="Аԥсшәа" data-language-local-name="abkasíska" class="interlanguage-link-target"><span>Аԥсшәа</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Natuurlike_getal" title="Natuurlike getal – afríkanska" lang="af" hreflang="af" data-title="Natuurlike getal" data-language-autonym="Afrikaans" data-language-local-name="afríkanska" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Nat%C3%BCrliche_Zahl" title="Natürliche Zahl – svissnesk þýska" lang="gsw" hreflang="gsw" data-title="Natürliche Zahl" data-language-autonym="Alemannisch" data-language-local-name="svissnesk þýska" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8B%A8%E1%89%B0%E1%8D%88%E1%8C%A5%E1%88%AE_%E1%89%81%E1%8C%A5%E1%88%AD" title="የተፈጥሮ ቁጥር – amharíska" lang="am" hreflang="am" data-title="የተፈጥሮ ቁጥር" data-language-autonym="አማርኛ" data-language-local-name="amharíska" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Numero_natural" title="Numero natural – aragonska" lang="an" hreflang="an" data-title="Numero natural" data-language-autonym="Aragonés" data-language-local-name="aragonska" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%95%E0%A5%83%E0%A4%A4%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="प्राकृतिक संख्या – angíka" lang="anp" hreflang="anp" data-title="प्राकृतिक संख्या" data-language-autonym="अंगिका" data-language-local-name="angíka" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D8%B7%D8%A8%D9%8A%D8%B9%D9%8A" title="عدد طبيعي – arabíska" lang="ar" hreflang="ar" data-title="عدد طبيعي" data-language-autonym="العربية" data-language-local-name="arabíska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B9%D8%A7%D8%AF%D8%A7%D8%AF_%D8%B7%D8%A8%D9%8A%D8%B9%D9%8A" title="عاداد طبيعي – Moroccan Arabic" lang="ary" hreflang="ary" data-title="عاداد طبيعي" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D8%B7%D8%A8%D9%8A%D8%B9%D9%89" title="عدد طبيعى – Egyptian Arabic" lang="arz" hreflang="arz" data-title="عدد طبيعى" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%B8%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%AD%E0%A6%BE%E0%A7%B1%E0%A6%BF%E0%A6%95_%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE" title="স্বাভাৱিক সংখ্যা – assamska" lang="as" hreflang="as" data-title="স্বাভাৱিক সংখ্যা" data-language-autonym="অসমীয়া" data-language-local-name="assamska" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/N%C3%BAmberu_natural" title="Númberu natural – astúríska" lang="ast" hreflang="ast" data-title="Númberu natural" data-language-autonym="Asturianu" data-language-local-name="astúríska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Natural_%C9%99d%C9%99dl%C9%99r" title="Natural ədədlər – aserska" lang="az" hreflang="az" data-title="Natural ədədlər" data-language-autonym="Azərbaycanca" data-language-local-name="aserska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B7%D8%A8%DB%8C%D8%B9%DB%8C_%D8%B3%D8%A7%DB%8C%DB%8C%D9%84%D8%A7%D8%B1" title="طبیعی ساییلار – South Azerbaijani" lang="azb" hreflang="azb" data-title="طبیعی ساییلار" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D1%8C_%D2%BB%D0%B0%D0%BD" title="Натураль һан – baskír" lang="ba" hreflang="ba" data-title="Натураль һан" data-language-autonym="Башҡортса" data-language-local-name="baskír" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Wilangan_asli" title="Wilangan asli – balíska" lang="ban" hreflang="ban" data-title="Wilangan asli" data-language-autonym="Basa Bali" data-language-local-name="balíska" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Nat%C5%ABral%C4%97%CC%84j%C4%97_skaitl%C4%93" title="Natūralė̄jė skaitlē – Samogitian" lang="sgs" hreflang="sgs" data-title="Natūralė̄jė skaitlē" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B_%D0%BB%D1%96%D0%BA" title="Натуральны лік – hvítrússneska" lang="be" hreflang="be" data-title="Натуральны лік" data-language-autonym="Беларуская" data-language-local-name="hvítrússneska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B_%D0%BB%D1%96%D0%BA" title="Натуральны лік – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Натуральны лік" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D1%81%D1%82%D0%B5%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BE_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" title="Естествено число – búlgarska" lang="bg" hreflang="bg" data-title="Естествено число" data-language-autonym="Български" data-language-local-name="búlgarska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%AD%E0%A6%BE%E0%A6%AC%E0%A6%BF%E0%A6%95_%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE" title="স্বাভাবিক সংখ্যা – bengalska" lang="bn" hreflang="bn" data-title="স্বাভাবিক সংখ্যা" data-language-autonym="বাংলা" data-language-local-name="bengalska" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A2%E0%BD%84%E0%BC%8B%E0%BD%96%E0%BE%B1%E0%BD%B4%E0%BD%84%E0%BC%8B%E0%BD%82%E0%BE%B2%E0%BD%84%E0%BD%A6%E0%BC%8D" title="རང་བྱུང་གྲངས། – tíbeska" lang="bo" hreflang="bo" data-title="རང་བྱུང་གྲངས།" data-language-autonym="བོད་ཡིག" data-language-local-name="tíbeska" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Niver_naturel" title="Niver naturel – bretónska" lang="br" hreflang="br" data-title="Niver naturel" data-language-autonym="Brezhoneg" data-language-local-name="bretónska" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Prirodan_broj" title="Prirodan broj – bosníska" lang="bs" hreflang="bs" data-title="Prirodan broj" data-language-autonym="Bosanski" data-language-local-name="bosníska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Nombre_natural" title="Nombre natural – katalónska" lang="ca" hreflang="ca" data-title="Nombre natural" data-language-autonym="Català" data-language-local-name="katalónska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%98%D9%85%D8%A7%D8%B1%DB%95%DB%8C_%D8%B3%D8%B1%D9%88%D8%B4%D8%AA%DB%8C" title="ژمارەی سروشتی – miðkúrdíska" lang="ckb" hreflang="ckb" data-title="ژمارەی سروشتی" data-language-autonym="کوردی" data-language-local-name="miðkúrdíska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/P%C5%99irozen%C3%A9_%C4%8D%C3%ADslo" title="Přirozené číslo – tékkneska" lang="cs" hreflang="cs" data-title="Přirozené číslo" data-language-autonym="Čeština" data-language-local-name="tékkneska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9F%D1%83%D1%80%D0%BB%C4%83%D1%85_%D1%85%D0%B8%D1%81%D0%B5%D0%BF%C4%95" title="Пурлăх хисепĕ – sjúvas" lang="cv" hreflang="cv" data-title="Пурлăх хисепĕ" data-language-autonym="Чӑвашла" data-language-local-name="sjúvas" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Rhif_naturiol" title="Rhif naturiol – velska" lang="cy" hreflang="cy" data-title="Rhif naturiol" data-language-autonym="Cymraeg" data-language-local-name="velska" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Naturligt_tal" title="Naturligt tal – danska" lang="da" hreflang="da" data-title="Naturligt tal" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Nat%C3%BCrliche_Zahl" title="Natürliche Zahl – þýska" lang="de" hreflang="de" data-title="Natürliche Zahl" data-language-autonym="Deutsch" data-language-local-name="þýska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A6%CF%85%CF%83%CE%B9%CE%BA%CF%8C%CF%82_%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82" title="Φυσικός αριθμός – gríska" lang="el" hreflang="el" data-title="Φυσικός αριθμός" data-language-autonym="Ελληνικά" data-language-local-name="gríska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/N%C3%B3mmer_natur%C3%A8l" title="Nómmer naturèl – Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="Nómmer naturèl" data-language-autonym="Emiliàn e rumagnòl" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emiliàn e rumagnòl</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Natural_number" title="Natural number – enska" lang="en" hreflang="en" data-title="Natural number" data-language-autonym="English" data-language-local-name="enska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Natura_nombro" title="Natura nombro – esperantó" lang="eo" hreflang="eo" data-title="Natura nombro" data-language-autonym="Esperanto" data-language-local-name="esperantó" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/N%C3%BAmero_natural" title="Número natural – spænska" lang="es" hreflang="es" data-title="Número natural" data-language-autonym="Español" data-language-local-name="spænska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Naturaalarv" title="Naturaalarv – eistneska" lang="et" hreflang="et" data-title="Naturaalarv" data-language-autonym="Eesti" data-language-local-name="eistneska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Zenbaki_arrunt" title="Zenbaki arrunt – baskneska" lang="eu" hreflang="eu" data-title="Zenbaki arrunt" data-language-autonym="Euskara" data-language-local-name="baskneska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D8%B7%D8%A8%DB%8C%D8%B9%DB%8C" title="عدد طبیعی – persneska" lang="fa" hreflang="fa" data-title="عدد طبیعی" data-language-autonym="فارسی" data-language-local-name="persneska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Luonnollinen_luku" title="Luonnollinen luku – finnska" lang="fi" hreflang="fi" data-title="Luonnollinen luku" data-language-autonym="Suomi" data-language-local-name="finnska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/T%C3%BCk%C3%BCarv" title="Tüküarv – Võro" lang="vro" hreflang="vro" data-title="Tüküarv" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Naba_vakatamata" title="Naba vakatamata – fídjeyska" lang="fj" hreflang="fj" data-title="Naba vakatamata" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="fídjeyska" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Teljital" title="Teljital – færeyska" lang="fo" hreflang="fo" data-title="Teljital" data-language-autonym="Føroyskt" data-language-local-name="færeyska" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Entier_naturel" title="Entier naturel – franska" lang="fr" hreflang="fr" data-title="Entier naturel" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Nat%C3%BC%C3%BCrelk_taal" title="Natüürelk taal – norðurfrísneska" lang="frr" hreflang="frr" data-title="Natüürelk taal" data-language-autonym="Nordfriisk" data-language-local-name="norðurfrísneska" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Uimhir_aiceanta" title="Uimhir aiceanta – írska" lang="ga" hreflang="ga" data-title="Uimhir aiceanta" data-language-autonym="Gaeilge" data-language-local-name="írska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E8%87%AA%E7%84%B6%E6%95%B8" title="自然數 – gan" lang="gan" hreflang="gan" data-title="自然數" data-language-autonym="贛語" data-language-local-name="gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Anty%C3%A9_natir%C3%A8l" title="Antyé natirèl – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Antyé natirèl" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/N%C3%BAmero_natural" title="Número natural – galisíska" lang="gl" hreflang="gl" data-title="Número natural" data-language-autonym="Galego" data-language-local-name="galisíska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%AA%E0%AB%8D%E0%AA%B0%E0%AA%BE%E0%AA%95%E0%AB%83%E0%AA%A4%E0%AA%BF%E0%AA%95_%E0%AA%B8%E0%AA%82%E0%AA%96%E0%AB%8D%E0%AA%AF%E0%AA%BE%E0%AA%93" title="પ્રાકૃતિક સંખ્યાઓ – gújaratí" lang="gu" hreflang="gu" data-title="પ્રાકૃતિક સંખ્યાઓ" data-language-autonym="ગુજરાતી" data-language-local-name="gújaratí" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A1%D7%A4%D7%A8_%D7%98%D7%91%D7%A2%D7%99" title="מספר טבעי – hebreska" lang="he" hreflang="he" data-title="מספר טבעי" data-language-autonym="עברית" data-language-local-name="hebreska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%95%E0%A5%83%E0%A4%A4%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="प्राकृतिक संख्या – hindí" lang="hi" hreflang="hi" data-title="प्राकृतिक संख्या" data-language-autonym="हिन्दी" data-language-local-name="hindí" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Prirodni_broj" title="Prirodni broj – króatíska" lang="hr" hreflang="hr" data-title="Prirodni broj" data-language-autonym="Hrvatski" data-language-local-name="króatíska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/P%C5%99irodna_li%C4%8Dba" title="Přirodna ličba – hásorbneska" lang="hsb" hreflang="hsb" data-title="Přirodna ličba" data-language-autonym="Hornjoserbsce" data-language-local-name="hásorbneska" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Term%C3%A9szetes_sz%C3%A1mok" title="Természetes számok – ungverska" lang="hu" hreflang="hu" data-title="Természetes számok" data-language-autonym="Magyar" data-language-local-name="ungverska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B2%D5%B6%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A9%D5%AB%D5%BE" title="Բնական թիվ – armenska" lang="hy" hreflang="hy" data-title="Բնական թիվ" data-language-autonym="Հայերեն" data-language-local-name="armenska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D4%B2%D5%B6%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A9%D5%AB%D6%82" title="Բնական թիւ – Western Armenian" lang="hyw" hreflang="hyw" data-title="Բնական թիւ" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Numero_natural" title="Numero natural – interlingua" lang="ia" hreflang="ia" data-title="Numero natural" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Bilangan_asli" title="Bilangan asli – indónesíska" lang="id" hreflang="id" data-title="Bilangan asli" data-language-autonym="Bahasa Indonesia" data-language-local-name="indónesíska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%91%D0%BE%D0%BA%D1%8A%D0%BE%D0%BD%D1%86%D0%B0_%D0%B4%D0%BE%D0%BB%D0%B0_%D1%82%D0%B0%D1%8C%D1%80%D0%B0%D1%85%D1%8C" title="Бокъонца дола таьрахь – ingús" lang="inh" hreflang="inh" data-title="Бокъонца дола таьрахь" data-language-autonym="ГӀалгӀай" data-language-local-name="ingús" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Naturala_nombro" title="Naturala nombro – ídó" lang="io" hreflang="io" data-title="Naturala nombro" data-language-autonym="Ido" data-language-local-name="ídó" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Numero_naturale" title="Numero naturale – ítalska" lang="it" hreflang="it" data-title="Numero naturale" data-language-autonym="Italiano" data-language-local-name="ítalska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%87%AA%E7%84%B6%E6%95%B0" title="自然数 – japanska" lang="ja" hreflang="ja" data-title="自然数" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Nachral_nomba" title="Nachral nomba – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Nachral nomba" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/kacna%27u" title="kacna'u – lojban" lang="jbo" hreflang="jbo" data-title="kacna'u" data-language-autonym="La .lojban." data-language-local-name="lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Wilangan_asli" title="Wilangan asli – javanska" lang="jv" hreflang="jv" data-title="Wilangan asli" data-language-autonym="Jawa" data-language-local-name="javanska" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9C%E1%83%90%E1%83%A2%E1%83%A3%E1%83%A0%E1%83%90%E1%83%9A%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%A0%E1%83%98%E1%83%AA%E1%83%AE%E1%83%95%E1%83%98" title="ნატურალური რიცხვი – georgíska" lang="ka" hreflang="ka" data-title="ნატურალური რიცხვი" data-language-autonym="ქართული" data-language-local-name="georgíska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/Pilim_%C3%B1%CA%8A%CA%8A" title="Pilim ñʊʊ – Kabiye" lang="kbp" hreflang="kbp" data-title="Pilim ñʊʊ" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kcg mw-list-item"><a href="https://kcg.wikipedia.org/wiki/A%CC%B1za%CC%B1za%CC%B1rak_la%CC%B1mba" title="A̱za̱za̱rak la̱mba – tyap" lang="kcg" hreflang="kcg" data-title="A̱za̱za̱rak la̱mba" data-language-autonym="Tyap" data-language-local-name="tyap" class="interlanguage-link-target"><span>Tyap</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%94%D0%B0%D2%93%D0%B4%D1%8B%D0%BB%D1%8B_%D1%81%D0%B0%D0%BD" title="Дағдылы сан – kasakska" lang="kk" hreflang="kk" data-title="Дағдылы сан" data-language-autonym="Қазақша" data-language-local-name="kasakska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%85%E1%9F%86%E1%9E%93%E1%9E%BD%E1%9E%93%E1%9E%82%E1%9E%8F%E1%9F%8B%E1%9E%92%E1%9E%98%E1%9F%92%E1%9E%98%E1%9E%87%E1%9E%B6%E1%9E%8F%E1%9E%B7" title="ចំនួនគត់ធម្មជាតិ – kmer" lang="km" hreflang="km" data-title="ចំនួនគត់ធម្មជាតិ" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="kmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B8%E0%B3%8D%E0%B2%B5%E0%B2%BE%E0%B2%AD%E0%B2%BE%E0%B2%B5%E0%B2%BF%E0%B2%95_%E0%B2%B8%E0%B2%82%E0%B2%96%E0%B3%8D%E0%B2%AF%E0%B3%86" title="ಸ್ವಾಭಾವಿಕ ಸಂಖ್ಯೆ – kannada" lang="kn" hreflang="kn" data-title="ಸ್ವಾಭಾವಿಕ ಸಂಖ್ಯೆ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9E%90%EC%97%B0%EC%88%98" title="자연수 – kóreska" lang="ko" hreflang="ko" data-title="자연수" data-language-autonym="한국어" data-language-local-name="kóreska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Nat%C3%B6rliche_Zahle" title="Natörliche Zahle – kölníska" lang="ksh" hreflang="ksh" data-title="Natörliche Zahle" data-language-autonym="Ripoarisch" data-language-local-name="kölníska" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Hejmar%C3%AAn_xwezay%C3%AE" title="Hejmarên xwezayî – kúrdíska" lang="ku" hreflang="ku" data-title="Hejmarên xwezayî" data-language-autonym="Kurdî" data-language-local-name="kúrdíska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D0%B4%D1%8B%D0%BA_%D1%81%D0%B0%D0%BD" title="Натуралдык сан – kirgiska" lang="ky" hreflang="ky" data-title="Натуралдык сан" data-language-autonym="Кыргызча" data-language-local-name="kirgiska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Numerus_naturalis" title="Numerus naturalis – latína" lang="la" hreflang="la" data-title="Numerus naturalis" data-language-autonym="Latina" data-language-local-name="latína" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Natierlech_Zuel" title="Natierlech Zuel – lúxemborgíska" lang="lb" hreflang="lb" data-title="Natierlech Zuel" data-language-autonym="Lëtzebuergesch" data-language-local-name="lúxemborgíska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Numero_natural" title="Numero natural – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Numero natural" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Natuurlek_getal" title="Natuurlek getal – limbúrgíska" lang="li" hreflang="li" data-title="Natuurlek getal" data-language-autonym="Limburgs" data-language-local-name="limbúrgíska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/N%C3%BCmar_nat%C3%BCraal" title="Nümar natüraal – lombardíska" lang="lmo" hreflang="lmo" data-title="Nümar natüraal" data-language-autonym="Lombard" data-language-local-name="lombardíska" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%88%E0%BA%B3%E0%BA%99%E0%BA%A7%E0%BA%99%E0%BA%97%E0%BA%B3%E0%BA%A1%E0%BA%B0%E0%BA%8A%E0%BA%B2%E0%BA%94" title="ຈຳນວນທຳມະຊາດ – laó" lang="lo" hreflang="lo" data-title="ຈຳນວນທຳມະຊາດ" data-language-autonym="ລາວ" data-language-local-name="laó" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Nat%C5%ABralusis_skai%C4%8Dius" title="Natūralusis skaičius – litháíska" lang="lt" hreflang="lt" data-title="Natūralusis skaičius" data-language-autonym="Lietuvių" data-language-local-name="litháíska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Natur%C4%81ls_skaitlis" title="Naturāls skaitlis – lettneska" lang="lv" hreflang="lv" data-title="Naturāls skaitlis" data-language-autonym="Latviešu" data-language-local-name="lettneska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Isa_nanahary" title="Isa nanahary – malagasíska" lang="mg" hreflang="mg" data-title="Isa nanahary" data-language-autonym="Malagasy" data-language-local-name="malagasíska" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D1%80%D0%B8%D1%80%D0%BE%D0%B4%D0%B5%D0%BD_%D0%B1%D1%80%D0%BE%D1%98" title="Природен број – makedónska" lang="mk" hreflang="mk" data-title="Природен број" data-language-autonym="Македонски" data-language-local-name="makedónska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%8E%E0%B4%A3%E0%B5%8D%E0%B4%A3%E0%B5%BD_%E0%B4%B8%E0%B4%82%E0%B4%96%E0%B5%8D%E0%B4%AF" title="എണ്ണൽ സംഖ്യ – malajalam" lang="ml" hreflang="ml" data-title="എണ്ണൽ സംഖ്യ" data-language-autonym="മലയാളം" data-language-local-name="malajalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB_%D1%82%D0%BE%D0%BE" title="Натурал тоо – mongólska" lang="mn" hreflang="mn" data-title="Натурал тоо" data-language-autonym="Монгол" data-language-local-name="mongólska" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%A8%E0%A5%88%E0%A4%B8%E0%A4%B0%E0%A5%8D%E0%A4%97%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="नैसर्गिक संख्या – maratí" lang="mr" hreflang="mr" data-title="नैसर्गिक संख्या" data-language-autonym="मराठी" data-language-local-name="maratí" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Nombor_asli" title="Nombor asli – malaíska" lang="ms" hreflang="ms" data-title="Nombor asli" data-language-autonym="Bahasa Melayu" data-language-local-name="malaíska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/Numru_naturali" title="Numru naturali – maltneska" lang="mt" hreflang="mt" data-title="Numru naturali" data-language-autonym="Malti" data-language-local-name="maltneska" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-mwl mw-list-item"><a href="https://mwl.wikipedia.org/wiki/N%C3%BAmaro_natural" title="Númaro natural – mirandesíska" lang="mwl" hreflang="mwl" data-title="Númaro natural" data-language-autonym="Mirandés" data-language-local-name="mirandesíska" class="interlanguage-link-target"><span>Mirandés</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%9E%E1%80%98%E1%80%AC%E1%80%9D%E1%80%80%E1%80%AD%E1%80%94%E1%80%BA%E1%80%B8" title="သဘာဝကိန်း – búrmneska" lang="my" hreflang="my" data-title="သဘာဝကိန်း" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="búrmneska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Nat%C3%BCrliche_Tall" title="Natürliche Tall – lágþýska; lágsaxneska" lang="nds" hreflang="nds" data-title="Natürliche Tall" data-language-autonym="Plattdüütsch" data-language-local-name="lágþýska; lágsaxneska" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%95%E0%A5%83%E0%A4%A4%E0%A4%BF%E0%A4%95_%E0%A4%B8%E0%A4%99%E0%A5%8D%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="प्राकृतिक सङ्ख्या – nepalska" lang="ne" hreflang="ne" data-title="प्राकृतिक सङ्ख्या" data-language-autonym="नेपाली" data-language-local-name="nepalska" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%95%E0%A5%83%E0%A4%A4%E0%A4%BF%E0%A4%95_%E0%A4%B2%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%83" title="प्राकृतिक ल्याः – nevarí" lang="new" hreflang="new" data-title="प्राकृतिक ल्याः" data-language-autonym="नेपाल भाषा" data-language-local-name="nevarí" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Natuurlijk_getal" title="Natuurlijk getal – hollenska" lang="nl" hreflang="nl" data-title="Natuurlijk getal" data-language-autonym="Nederlands" data-language-local-name="hollenska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Naturleg_tal" title="Naturleg tal – nýnorska" lang="nn" hreflang="nn" data-title="Naturleg tal" data-language-autonym="Norsk nynorsk" data-language-local-name="nýnorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Naturlig_tall" title="Naturlig tall – norskt bókmál" lang="nb" hreflang="nb" data-title="Naturlig tall" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bókmál" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Enti%C3%A8r_natural" title="Entièr natural – oksítaníska" lang="oc" hreflang="oc" data-title="Entièr natural" data-language-autonym="Occitan" data-language-local-name="oksítaníska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Lakkoofsa_lakkaawwii" title="Lakkoofsa lakkaawwii – oromo" lang="om" hreflang="om" data-title="Lakkoofsa lakkaawwii" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%97%E0%AC%A3%E0%AC%A8_%E0%AC%B8%E0%AC%82%E0%AC%96%E0%AD%8D%E0%AD%9F%E0%AC%BE" title="ଗଣନ ସଂଖ୍ୟା – óría" lang="or" hreflang="or" data-title="ଗଣନ ସଂଖ୍ୟା" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="óría" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D0%BE%D0%BD_%D0%BD%D1%8B%D0%BC%C3%A6%D1%86" title="Натуралон нымæц – ossetíska" lang="os" hreflang="os" data-title="Натуралон нымæц" data-language-autonym="Ирон" data-language-local-name="ossetíska" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%95%E0%A9%81%E0%A8%A6%E0%A8%B0%E0%A8%A4%E0%A9%80_%E0%A8%85%E0%A9%B0%E0%A8%95" title="ਕੁਦਰਤੀ ਅੰਕ – púnjabí" lang="pa" hreflang="pa" data-title="ਕੁਦਰਤੀ ਅੰਕ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="púnjabí" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Liczby_naturalne" title="Liczby naturalne – pólska" lang="pl" hreflang="pl" data-title="Liczby naturalne" data-language-autonym="Polski" data-language-local-name="pólska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/N%C3%B9mer_natural" title="Nùmer natural – Piedmontese" lang="pms" hreflang="pms" data-title="Nùmer natural" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%86%DB%8C%DA%86%D8%B1%D9%84_%D9%86%D9%85%D8%A8%D8%B1" title="نیچرل نمبر – Western Punjabi" lang="pnb" hreflang="pnb" data-title="نیچرل نمبر" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/N%C3%BAmero_natural" title="Número natural – portúgalska" lang="pt" hreflang="pt" data-title="Número natural" data-language-autonym="Português" data-language-local-name="portúgalska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Num%C4%83r_natural" title="Număr natural – rúmenska" lang="ro" hreflang="ro" data-title="Număr natural" data-language-autonym="Română" data-language-local-name="rúmenska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B5_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" title="Натуральное число – rússneska" lang="ru" hreflang="ru" data-title="Натуральное число" data-language-autonym="Русский" data-language-local-name="rússneska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%95%E0%A5%83%E0%A4%A4%E0%A4%BF%E0%A4%95%E0%A4%B8%E0%A4%99%E0%A5%8D%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="प्राकृतिकसङ्ख्या – sanskrít" lang="sa" hreflang="sa" data-title="प्राकृतिकसङ्ख्या" data-language-autonym="संस्कृतम्" data-language-local-name="sanskrít" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D0%B9_%D1%87%D1%8B%D1%8Bh%D1%8B%D0%BB%D0%B0%D2%95%D0%B0" title="Натуральнай чыыhылаҕа – jakút" lang="sah" hreflang="sah" data-title="Натуральнай чыыhылаҕа" data-language-autonym="Саха тыла" data-language-local-name="jakút" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/N%C3%B9meru_naturale" title="Nùmeru naturale – sardínska" lang="sc" hreflang="sc" data-title="Nùmeru naturale" data-language-autonym="Sardu" data-language-local-name="sardínska" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/N%C3%B9mmuru_naturali" title="Nùmmuru naturali – sikileyska" lang="scn" hreflang="scn" data-title="Nùmmuru naturali" data-language-autonym="Sicilianu" data-language-local-name="sikileyska" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Prirodan_broj" title="Prirodan broj – serbókróatíska" lang="sh" hreflang="sh" data-title="Prirodan broj" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbókróatíska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B7%83%E0%B7%8A%E0%B7%80%E0%B7%8F%E0%B6%B7%E0%B7%8F%E0%B7%80%E0%B7%92%E0%B6%9A_%E0%B7%83%E0%B6%82%E0%B6%9B%E0%B7%8A%E2%80%8D%E0%B6%BA%E0%B7%8F" title="ස්වාභාවික සංඛ්‍යා – singalíska" lang="si" hreflang="si" data-title="ස්වාභාවික සංඛ්‍යා" data-language-autonym="සිංහල" data-language-local-name="singalíska" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Natural_number" title="Natural number – Simple English" lang="en-simple" hreflang="en-simple" data-title="Natural number" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Prirodzen%C3%A9_%C4%8D%C3%ADslo" title="Prirodzené číslo – slóvakíska" lang="sk" hreflang="sk" data-title="Prirodzené číslo" data-language-autonym="Slovenčina" data-language-local-name="slóvakíska" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Naravno_%C5%A1tevilo" title="Naravno število – slóvenska" lang="sl" hreflang="sl" data-title="Naravno število" data-language-autonym="Slovenščina" data-language-local-name="slóvenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Thiin_tirsiimo" title="Thiin tirsiimo – sómalska" lang="so" hreflang="so" data-title="Thiin tirsiimo" data-language-autonym="Soomaaliga" data-language-local-name="sómalska" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Numrat_natyror%C3%AB" title="Numrat natyrorë – albanska" lang="sq" hreflang="sq" data-title="Numrat natyrorë" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D1%80%D0%B8%D1%80%D0%BE%D0%B4%D0%B0%D0%BD_%D0%B1%D1%80%D0%BE%D1%98" title="Природан број – serbneska" lang="sr" hreflang="sr" data-title="Природан број" data-language-autonym="Српски / srpski" data-language-local-name="serbneska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Naturliga_tal" title="Naturliga tal – sænska" lang="sv" hreflang="sv" data-title="Naturliga tal" data-language-autonym="Svenska" data-language-local-name="sænska" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Namba_asilia" title="Namba asilia – svahílí" lang="sw" hreflang="sw" data-title="Namba asilia" data-language-autonym="Kiswahili" data-language-local-name="svahílí" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Naturalno_n%C5%AFmera" title="Naturalno nůmera – slesíska" lang="szl" hreflang="szl" data-title="Naturalno nůmera" data-language-autonym="Ślůnski" data-language-local-name="slesíska" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%AF%E0%AE%B2%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D" title="இயல் எண் – tamílska" lang="ta" hreflang="ta" data-title="இயல் எண்" data-language-autonym="தமிழ்" data-language-local-name="tamílska" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B8%E0%B0%B9%E0%B0%9C_%E0%B0%B8%E0%B0%82%E0%B0%96%E0%B1%8D%E0%B0%AF" title="సహజ సంఖ్య – telúgú" lang="te" hreflang="te" data-title="సహజ సంఖ్య" data-language-autonym="తెలుగు" data-language-local-name="telúgú" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%90%D0%B4%D0%B0%D0%B4%D0%B8_%D0%BD%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D3%A3" title="Адади натуралӣ – tadsjikska" lang="tg" hreflang="tg" data-title="Адади натуралӣ" data-language-autonym="Тоҷикӣ" data-language-local-name="tadsjikska" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%88%E0%B8%B3%E0%B8%99%E0%B8%A7%E0%B8%99%E0%B8%98%E0%B8%A3%E0%B8%A3%E0%B8%A1%E0%B8%8A%E0%B8%B2%E0%B8%95%E0%B8%B4" title="จำนวนธรรมชาติ – taílenska" lang="th" hreflang="th" data-title="จำนวนธรรมชาติ" data-language-autonym="ไทย" data-language-local-name="taílenska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/Natural_sanlar" title="Natural sanlar – túrkmenska" lang="tk" hreflang="tk" data-title="Natural sanlar" data-language-autonym="Türkmençe" data-language-local-name="túrkmenska" class="interlanguage-link-target"><span>Türkmençe</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Likas_na_bilang" title="Likas na bilang – tagalog" lang="tl" hreflang="tl" data-title="Likas na bilang" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Do%C4%9Fal_say%C4%B1lar" title="Doğal sayılar – tyrkneska" lang="tr" hreflang="tr" data-title="Doğal sayılar" data-language-autonym="Türkçe" data-language-local-name="tyrkneska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%A2%D0%B0%D0%B1%D0%B8%D0%B3%D1%8B%D0%B9_%D1%81%D0%B0%D0%BD" title="Табигый сан – tatarska" lang="tt" hreflang="tt" data-title="Табигый сан" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarska" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D0%B5_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" title="Натуральне число – úkraínska" lang="uk" hreflang="uk" data-title="Натуральне число" data-language-autonym="Українська" data-language-local-name="úkraínska" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%82%D8%AF%D8%B1%D8%AA%DB%8C_%D8%B9%D8%AF%D8%AF" title="قدرتی عدد – úrdú" lang="ur" hreflang="ur" data-title="قدرتی عدد" data-language-autonym="اردو" data-language-local-name="úrdú" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Natural_son" title="Natural son – úsbekska" lang="uz" hreflang="uz" data-title="Natural son" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="úsbekska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/S%E1%BB%91_t%E1%BB%B1_nhi%C3%AAn" title="Số tự nhiên – víetnamska" lang="vi" hreflang="vi" data-title="Số tự nhiên" data-language-autonym="Tiếng Việt" data-language-local-name="víetnamska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Natuurlik_getal" title="Natuurlik getal – West Flemish" lang="vls" hreflang="vls" data-title="Natuurlik getal" data-language-autonym="West-Vlams" data-language-local-name="West Flemish" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Unob_nga_ihap" title="Unob nga ihap – varaí" lang="war" hreflang="war" data-title="Unob nga ihap" data-language-autonym="Winaray" data-language-local-name="varaí" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E8%87%AA%E7%84%B6%E6%95%B0" title="自然数 – wu-kínverska" lang="wuu" hreflang="wuu" data-title="自然数" data-language-autonym="吴语" data-language-local-name="wu-kínverska" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%99%D0%B8%D1%80%D1%82%D0%B8%D0%BC%D2%97%D0%B8%D0%BD_%D1%82%D0%BE%D0%B9%D0%B3" title="Йиртимҗин тойг – kalmúkska" lang="xal" hreflang="xal" data-title="Йиртимҗин тойг" data-language-autonym="Хальмг" data-language-local-name="kalmúkska" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-xh mw-list-item"><a href="https://xh.wikipedia.org/wiki/Amanani_a-natural" title="Amanani a-natural – sósa" lang="xh" hreflang="xh" data-title="Amanani a-natural" data-language-autonym="IsiXhosa" data-language-local-name="sósa" class="interlanguage-link-target"><span>IsiXhosa</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A0%D7%90%D7%98%D7%99%D7%A8%D7%9C%D7%A2%D7%9B%D7%A2_%D7%A6%D7%90%D7%9C" title="נאטירלעכע צאל – jiddíska" lang="yi" hreflang="yi" data-title="נאטירלעכע צאל" data-language-autonym="ייִדיש" data-language-local-name="jiddíska" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/N%E1%BB%8D%CC%81mb%C3%A0_%C3%A0d%C3%A1b%C3%A1y%C3%A9" title="Nọ́mbà àdábáyé – jórúba" lang="yo" hreflang="yo" data-title="Nọ́mbà àdábáyé" data-language-autonym="Yorùbá" data-language-local-name="jórúba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zgh mw-list-item"><a href="https://zgh.wikipedia.org/wiki/%E2%B5%93%E2%B5%8E%E2%B5%8E%E2%B5%89%E2%B4%B7_%E2%B4%B0%E2%B4%B3%E2%B4%B0%E2%B5%8E%E2%B4%B0%E2%B5%8F" title="ⵓⵎⵎⵉⴷ ⴰⴳⴰⵎⴰⵏ – staðlað marokkóskt tamazight" lang="zgh" hreflang="zgh" data-title="ⵓⵎⵎⵉⴷ ⴰⴳⴰⵎⴰⵏ" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="staðlað marokkóskt tamazight" class="interlanguage-link-target"><span>ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%87%AA%E7%84%B6%E6%95%B0" title="自然数 – kínverska" lang="zh" hreflang="zh" data-title="自然数" data-language-autonym="中文" data-language-local-name="kínverska" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E8%87%AA%E7%84%B6%E6%95%B8" title="自然數 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="自然數" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ch%C5%AB-ji%C3%A2n-s%C3%B2%CD%98" title="Chū-jiân-sò͘ – Minnan" lang="nan" hreflang="nan" data-title="Chū-jiân-sò͘" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%87%AA%E7%84%B6%E6%95%B8" title="自然數 – kantónska" lang="yue" hreflang="yue" data-title="自然數" data-language-autonym="粵語" data-language-local-name="kantónska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Inombolo_Yokubala" title="Inombolo Yokubala – súlú" lang="zu" hreflang="zu" data-title="Inombolo Yokubala" data-language-autonym="IsiZulu" data-language-local-name="súlú" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q21199#sitelinks-wikipedia" title="Breyta tungumálatenglum" class="wbc-editpage">Breyta tenglum</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Nafnrými"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/N%C3%A1tt%C3%BArlegar_t%C3%B6lur" title="Sýna efnissíðuna [c]" accesskey="c"><span>Síða</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Spjall:N%C3%A1tt%C3%BArlegar_t%C3%B6lur" rel="discussion" title="Spallsíða þessarar síðu [t]" accesskey="t"><span>Spjall</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Breyta tungumálaafbrigði" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">íslenska</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Sýn"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/N%C3%A1tt%C3%BArlegar_t%C3%B6lur"><span>Lesa</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&veaction=edit" title="Breyta þessari síðu [v]" accesskey="v"><span>Breyta</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=edit" title="Breyta frumkóða síðunnar [e]" accesskey="e"><span>Breyta frumkóða</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=history" title="Eldri útgáfur af síðunni. [h]" accesskey="h"><span>Breytingaskrá</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Síðuverkfæri"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Verkfæri" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Verkfæri</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verkfæri</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">fela</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fleiri valkostir" > <div class="vector-menu-heading"> Aðgerðir </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/N%C3%A1tt%C3%BArlegar_t%C3%B6lur"><span>Lesa</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&veaction=edit" title="Breyta þessari síðu [v]" accesskey="v"><span>Breyta</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=edit" title="Breyta frumkóða síðunnar [e]" accesskey="e"><span>Breyta frumkóða</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=history"><span>Breytingaskrá</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Almennt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:S%C3%AD%C3%B0ur_sem_tengjast_hinga%C3%B0/N%C3%A1tt%C3%BArlegar_t%C3%B6lur" title="Listi yfir síður sem tengjast í þessa [j]" accesskey="j"><span>Hvað tengist hingað</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDlegar_breytingar_tengdar/N%C3%A1tt%C3%BArlegar_t%C3%B6lur" rel="nofollow" title="Nýlegar breytingar á ítengdum síðum [k]" accesskey="k"><span>Skyldar breytingar</span></a></li><li id="t-upload" class="mw-list-item"><a href="//is.wikipedia.org/wiki/Wikipedia:Hlaða_inn_skrá" title="Hlaða inn skrám [u]" accesskey="u"><span>Hlaða inn skrá</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&oldid=1653473" title="Varanlegur tengill í þessa útgáfu síðunnar"><span>Varanlegur tengill</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=info" title="Frekari upplýsingar um þessa síðu"><span>Síðuupplýsingar</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:CiteThisPage&page=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&id=1653473&wpFormIdentifier=titleform" title="Upplýsingar um hvernig á að vitna í þessa síðu"><span>Vitna í þessa síðu</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:UrlShortener&url=https%3A%2F%2Fis.wikipedia.org%2Fwiki%2FN%25C3%25A1tt%25C3%25BArlegar_t%25C3%25B6lur"><span>Fá styttan tengil</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:QrCode&url=https%3A%2F%2Fis.wikipedia.org%2Fwiki%2FN%25C3%25A1tt%25C3%25BArlegar_t%25C3%25B6lur"><span>Niðurhlaða QR-kóða</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Prenta/flytja út </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:Book&bookcmd=book_creator&referer=N%C3%A1tt%C3%BArlegar+t%C3%B6lur"><span>Búa til bók</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:DownloadAsPdf&page=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=show-download-screen"><span>Sækja sem PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&printable=yes" title="Prentanleg útgáfa af þessari síðu [p]" accesskey="p"><span>Prentvæn útgáfa</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Í öðrum verkefnum </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Natural_numbers" hreflang="en"><span>Wikimedia Commons</span></a></li><li class="wb-otherproject-link wb-otherproject-wikifunctions mw-list-item"><a href="https://www.wikifunctions.org/wiki/Z13518" hreflang="en"><span>Wikifunctions</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q21199" title="Tengill á tengdan hlut í gagnagrunni [g]" accesskey="g"><span>Wikidata hlutur</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Síðuverkfæri"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Útlit"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Útlit</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">fela</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Úr Wikipediu, frjálsa alfræðiritinu</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="is" dir="ltr"><table align="right" id="toc" style="margin-left: 15px;"> <tbody><tr style="background:#ccf"> <td colspan="7" align="center"><b><a href="/wiki/Talnamengi" title="Talnamengi">Talnamengi</a> í <a href="/wiki/St%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Stærðfræði">stærðfræði</a></b> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {N} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">N</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {N} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fdf9a96b565ea202d0f4322e9195613fb26a9bed" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.678ex; height:2.176ex;" alt="{\displaystyle \mathbb {N} }"></span> </td> <td><a class="mw-selflink selflink">Náttúrlegar tölur</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {Z} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">Z</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {Z} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/449494a083e0a1fda2b61c62b2f09b6bee4633dc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.55ex; height:2.176ex;" alt="{\displaystyle \mathbb {Z} }"></span> </td> <td><a href="/wiki/Heilt%C3%B6lur" title="Heiltölur">Heiltölur</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {Q} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">Q</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {Q} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c5909f0b54e4718fa24d5fd34d54189d24a66e9a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:1.808ex; height:2.509ex;" alt="{\displaystyle \mathbb {Q} }"></span> </td> <td><a href="/wiki/R%C3%A6%C3%B0ar_t%C3%B6lur" title="Ræðar tölur">Ræðar tölur</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {R} \setminus \mathbb {Q} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">R</mi> </mrow> <mo class="MJX-variant">∖</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">Q</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {R} \setminus \mathbb {Q} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7b6fd71ef4234ec6b082406bf213894f4592bdf1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:5.681ex; height:2.843ex;" alt="{\displaystyle \mathbb {R} \setminus \mathbb {Q} }"></span> </td> <td><a href="/wiki/%C3%93r%C3%A6%C3%B0ar_t%C3%B6lur" title="Óræðar tölur">Óræðar tölur</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {R} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">R</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {R} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/786849c765da7a84dbc3cce43e96aad58a5868dc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.678ex; height:2.176ex;" alt="{\displaystyle \mathbb {R} }"></span> </td> <td><a href="/wiki/Rauntala" title="Rauntala">Rauntala</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {C} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">C</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {C} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f9add4085095b9b6d28d045fd9c92c2c09f549a7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.678ex; height:2.176ex;" alt="{\displaystyle \mathbb {C} }"></span> </td> <td><a href="/wiki/Tvinnt%C3%B6lur" title="Tvinntölur">Tvinntölur</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {H} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">H</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {H} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e050965453c42bcc6bd544546703c836bdafeac9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \mathbb {H} }"></span> </td> <td><a href="/wiki/Fert%C3%B6lur" title="Fertölur">Fertölur</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {O} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">O</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {O} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c1ed2664a4fe515e6fbed25a7193ce663b82920c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \mathbb {O} }"></span> </td> <td><a href="/w/index.php?title=%C3%81ttundat%C3%B6lur&action=edit&redlink=1" class="new" title="Áttundatölur (síða er ekki enn til)">Áttundatölur</a> </td></tr> <tr align="center"> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {S} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">S</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {S} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9f9d5874c5d7f68eba1cec9da9ccbe53903303bb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.293ex; height:2.176ex;" alt="{\displaystyle \mathbb {S} }"></span> </td> <td><a href="/w/index.php?title=Sext%C3%A1ndat%C3%B6lur&action=edit&redlink=1" class="new" title="Sextándatölur (síða er ekki enn til)">Sextándatölur</a> </td></tr></tbody></table> <p><b>Náttúrlegar tölur</b> eða <b>Náttúrulegar tölur</b> eru <a href="/wiki/Talnamengi" title="Talnamengi">talnamengi</a> <a href="/wiki/J%C3%A1%E2%80%93_og_neikv%C3%A6%C3%B0ar_t%C3%B6lur" class="mw-redirect" title="Já– og neikvæðar tölur">jákvæðra</a> <a href="/wiki/Heilt%C3%B6lur" title="Heiltölur">heiltalna</a>, (1, 2, 3, 4, ... ), táknað með <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {N} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">N</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {N} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fdf9a96b565ea202d0f4322e9195613fb26a9bed" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.678ex; height:2.176ex;" alt="{\displaystyle \mathbb {N} }"></span>, sem er <a href="/wiki/%C3%93endanleiki" title="Óendanleiki">óendanlegt</a> en <a href="/wiki/Teljanlegt_mengi" title="Teljanlegt mengi">teljanlegt mengi</a> skv. skilgreiningu. Á stundum einnig við mengi <i>óneikvæðra</i> heiltalna, (0, 1, 2, 3, 4, ... ), þ.e. jákvæðu heiltalnanna auk <a href="/wiki/N%C3%BAll" title="Núll">núlls</a>, sem er til aðgreiningar táknað með <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {N} _{0}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">N</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {N} _{0}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/77ab7e98123f0def29a1cd3df96a0b7a58f4202c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.732ex; height:2.509ex;" alt="{\displaystyle \mathbb {N} _{0}}"></span>. </p><p>Mengi náttúrulegra talna er líkt og <a href="/wiki/Heilt%C3%B6lur" title="Heiltölur">heiltölumengið</a> <a href="/wiki/Loka%C3%B0_mengi" title="Lokað mengi">lokað mengi</a> við <a href="/wiki/Samlagning" title="Samlagning">samlagningu</a> og <a href="/wiki/Margf%C3%B6ldun" title="Margföldun">margföldun</a> en ólíkt heiltölumenginu (sem er <i><a href="/w/index.php?title=Baugur_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)&action=edit&redlink=1" class="new" title="Baugur (stærðfræði) (síða er ekki enn til)">baugur</a></i>) er það ekki lokað við <a href="/wiki/Fr%C3%A1dr%C3%A1ttur" title="Frádráttur">frádrátt</a> sökum þess að það inniheldur ekki neikvæðar tölur; né heldur við deilingu, því að það inniheldur ekki ræðar tölur nema heilar. </p><p>Fyrr á tímum töldust bara ákveðnar <a href="/wiki/T%C3%B6lur" class="mw-redirect" title="Tölur">tölur</a> „náttúrulegar“ og voru þær jafn vel sagðar frá <a href="/wiki/Gu%C3%B0" title="Guð">guði</a> komnar. Til dæmis sagði stærðfræðingurinn <a href="/wiki/Leopold_Kronecker" title="Leopold Kronecker">Leopold Kronecker</a>: „<i>Guð skapaði náttúrulegu tölurnar, allt annað er mannanna verk.</i>“ </p><p>Stærðfræðingar eru ekki á einu máli um hvort telja eigi <i>núll</i> til náttúrlegra talna eða ekki, þó viðurkennt sé að núll var „fundið upp“ löngu seinna en „jákvæðu heiltölurnar“, t.d. notuðu <a href="/wiki/R%C3%B3marveldi" class="mw-redirect" title="Rómarveldi">rómverjar</a> ekki núll. Aðeins er deilt um skilgreiningu þ.a. engu máli skiptir í raun fyrir stærðfræðina hvort núll sé „<i>náttúrulegt</i>“ eða ekki. </p> <div class="mw-heading mw-heading2"><h2 id="Tenglar">Tenglar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&veaction=edit&section=1" title="Breyti hluta: Tenglar" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&action=edit&section=1" title="Edit section's source code: Tenglar"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><style data-mw-deduplicate="TemplateStyles:r1870430">.mw-parser-output .citation a.new{color:black}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .citation a.new{color:white}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .citation a.new{color:white}}.mw-parser-output .citation{word-wrap:break-word}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}</style><style data-mw-deduplicate="TemplateStyles:r1898326">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.visindavefur.is/svar.php?id=50068">„Hvað eru náttúrlegar tölur?“</a>. <i><a href="/wiki/V%C3%ADsindavefurinn" title="Vísindavefurinn">Vísindavefurinn</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=V%C3%ADsindavefurinn&rft.atitle=Hva%C3%B0+eru+n%C3%A1tt%C3%BArlegar+t%C3%B6lur%3F&rft_id=https%3A%2F%2Fwww.visindavefur.is%2Fsvar.php%3Fid%3D50068&rfr_id=info%3Asid%2Fis.wikipedia.org%3AN%C3%A1tt%C3%BArlegar+t%C3%B6lur" class="Z3988"></span></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Sótt frá „<a dir="ltr" href="https://is.wikipedia.org/w/index.php?title=Náttúrlegar_tölur&oldid=1653473">https://is.wikipedia.org/w/index.php?title=Náttúrlegar_tölur&oldid=1653473</a>“</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Flokkar" title="Kerfissíða:Flokkar">Flokkur</a>: <ul><li><a href="/wiki/Flokkur:Talnamengi_%C3%AD_st%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Flokkur:Talnamengi í stærðfræði">Talnamengi í stærðfræði</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Falinn flokkur: <ul><li><a href="/wiki/Flokkur:S%C3%AD%C3%B0ur_sem_nota_JsonConfig" title="Flokkur:Síður sem nota JsonConfig">Síður sem nota JsonConfig</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Þessari síðu var síðast breytt 25. október 2019, klukkan 21:21.</li> <li id="footer-info-copyright">Textinn er gefinn út samkvæmt <a href="/wiki/Wikipedia:H%C3%B6fundar%C3%A9ttur" title="Wikipedia:Höfundaréttur">Creative Commons Tilvísun-DeilaEins leyfi</a>. Sjá nánar í <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">notkunarskilmálum</a>.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Meðferð persónuupplýsinga</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:Um_verkefni%C3%B0">Um Wikipediu</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:Almennur_fyrirvari">Fyrirvarar</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Siðareglur</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Forritarar</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/is.wikipedia.org">Tölfræði</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Yfirlýsing vegna vefkakna</a></li> <li id="footer-places-mobileview"><a href="//is.m.wikipedia.org/w/index.php?title=N%C3%A1tt%C3%BArlegar_t%C3%B6lur&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Farsímaútgáfa</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/static/images/footer/wikimedia-button.svg" width="84" height="29"><img src="/static/images/footer/wikimedia.svg" width="25" height="25" alt="Wikimedia Foundation" lang="en" loading="lazy"></picture></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/w/resources/assets/poweredby_mediawiki.svg" width="88" height="31"><img src="/w/resources/assets/mediawiki_compact.svg" alt="Powered by MediaWiki" width="25" height="25" loading="lazy"></picture></a></li> </ul> </footer> </div> </div> </div> <div class="vector-header-container vector-sticky-header-container"> <div id="vector-sticky-header" class="vector-sticky-header"> <div class="vector-sticky-header-start"> <div class="vector-sticky-header-icon-start vector-button-flush-left vector-button-flush-right" aria-hidden="true"> <button class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-sticky-header-search-toggle" tabindex="-1" data-event-name="ui.vector-sticky-search-form.icon"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Leit</span> </button> </div> <div role="search" class="vector-search-box-vue vector-search-box-show-thumbnail vector-search-box"> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail"> <form action="/w/index.php" id="vector-sticky-search-form" class="cdx-search-input cdx-search-input--has-end-button"> <div class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Leita á Wikipedia"> <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Kerfissíða:Leit"> </div> <button class="cdx-button cdx-search-input__end-button">Leita</button> </form> </div> </div> </div> <div class="vector-sticky-header-context-bar"> <nav aria-label="Efni" class="vector-toc-landmark"> <div id="vector-sticky-header-toc" class="vector-dropdown mw-portlet mw-portlet-sticky-header-toc vector-sticky-header-toc vector-button-flush-left" > <input type="checkbox" id="vector-sticky-header-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="Sýna/fela efnisyfirlit" > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Sýna/fela efnisyfirlit</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><span class="mw-page-title-main">Náttúrlegar tölur</span></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-talk-sticky-header" tabindex="-1" data-event-name="talk-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbles mw-ui-icon-wikimedia-speechBubbles"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-subject-sticky-header" tabindex="-1" data-event-name="subject-sticky-header"><span class="vector-icon mw-ui-icon-article mw-ui-icon-wikimedia-article"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-history-sticky-header" tabindex="-1" data-event-name="history-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-history mw-ui-icon-wikimedia-wikimedia-history"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>149 tungumál</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Bæta við umræðu</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-d8647bfd6-2k8x4","wgBackendResponseTime":144,"wgPageParseReport":{"limitreport":{"cputime":"0.090","walltime":"0.166","ppvisitednodes":{"value":153,"limit":1000000},"postexpandincludesize":{"value":2538,"limit":2097152},"templateargumentsize":{"value":56,"limit":2097152},"expansiondepth":{"value":6,"limit":100},"expensivefunctioncount":{"value":1,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":3082,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 92.379 1 -total"," 97.65% 90.210 1 Snið:Vísindavefurinn"," 95.56% 88.279 1 Snið:Cite_web"," 2.21% 2.039 1 Snið:Talnamengi"]},"scribunto":{"limitreport-timeusage":{"value":"0.051","limit":"10.000"},"limitreport-memusage":{"value":2547585,"limit":52428800}},"cachereport":{"origin":"mw-web.eqiad.main-85fdcf9895-brbjb","timestamp":"20250202183004","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"N\u00e1tt\u00farlegar t\u00f6lur","url":"https:\/\/is.wikipedia.org\/wiki\/N%C3%A1tt%C3%BArlegar_t%C3%B6lur","sameAs":"http:\/\/www.wikidata.org\/entity\/Q21199","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q21199","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-05-14T01:09:18Z","dateModified":"2019-10-25T21:21:08Z"}</script> </body> </html>