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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">Tartalomjegyzék</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">áthelyezés az oldalsávba</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">elrejtés</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">Bevezető</div> </a> </li> <li id="toc-A_szám_a_matematikában" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#A_szám_a_matematikában"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>A szám a matematikában</span> </div> </a> <ul id="toc-A_szám_a_matematikában-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="Tartalomjegyzék" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Tartalomjegyzék kinyitása/becsukása" > <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">Tartalomjegyzék kinyitása/becsukása</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">320 (szám)</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="Ugrás egy más nyelvű szócikkre. Elérhető 27 nyelven" > <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-27" 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">27 nyelv</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/300_(number)#320" title="300 (number) – angol" lang="en" hreflang="en" data-title="300 (number)" data-language-autonym="English" data-language-local-name="angol" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/320_(%D8%B9%D8%AF%D8%AF)" title="320 (عدد) – arab" lang="ar" hreflang="ar" data-title="320 (عدد)" data-language-autonym="العربية" data-language-local-name="arab" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/320_(%C9%99d%C9%99d)" title="320 (ədəd) – azerbajdzsáni" lang="az" hreflang="az" data-title="320 (ədəd)" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzsáni" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%A3%D9%A2%D9%A0_(%DA%98%D9%85%D8%A7%D8%B1%DB%95)" title="٣٢٠ (ژمارە) – közép-ázsiai kurd" lang="ckb" hreflang="ckb" data-title="٣٢٠ (ژمارە)" data-language-autonym="کوردی" data-language-local-name="közép-ázsiai kurd" 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/320_(%C4%8D%C3%ADslo)" title="320 (číslo) – cseh" lang="cs" hreflang="cs" data-title="320 (číslo)" data-language-autonym="Čeština" data-language-local-name="cseh" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/320_(n%C3%B9mer)" title="320 (nùmer) – Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="320 (nùmer)" 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-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Trescientos_veinte" title="Trescientos veinte – spanyol" lang="es" hreflang="es" data-title="Trescientos veinte" data-language-autonym="Español" data-language-local-name="spanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Hirurehun_eta_hogei" title="Hirurehun eta hogei – baszk" lang="eu" hreflang="eu" data-title="Hirurehun eta hogei" data-language-autonym="Euskara" data-language-local-name="baszk" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Nombres_300_%C3%A0_399#320" title="Nombres 300 à 399 – francia" lang="fr" hreflang="fr" data-title="Nombres 300 à 399" data-language-autonym="Français" data-language-local-name="francia" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/320_(nonm)" title="320 (nonm) – haiti kreol" lang="ht" hreflang="ht" data-title="320 (nonm)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haiti kreol" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/320_(%D5%A9%D5%AB%D6%82)" title="320 (թիւ) – Western Armenian" lang="hyw" hreflang="hyw" data-title="320 (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-it mw-list-item"><a href="https://it.wikipedia.org/wiki/320_(numero)" title="320 (numero) – olasz" lang="it" hreflang="it" data-title="320 (numero)" data-language-autonym="Italiano" data-language-local-name="olasz" 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/320" title="320 – japán" lang="ja" hreflang="ja" data-title="320" data-language-autonym="日本語" data-language-local-name="japán" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/320" title="320 – koreai" lang="ko" hreflang="ko" data-title="320" data-language-autonym="한국어" data-language-local-name="koreai" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/320_(%D0%B1%D1%80%D0%BE%D1%98)" title="320 (број) – macedón" lang="mk" hreflang="mk" data-title="320 (број)" data-language-autonym="Македонски" data-language-local-name="macedón" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mni mw-list-item"><a href="https://mni.wikipedia.org/wiki/%EA%AF%B3%EA%AF%B2%EA%AF%B0" title="꯳꯲꯰ – manipuri" lang="mni" hreflang="mni" data-title="꯳꯲꯰" data-language-autonym="ꯃꯤꯇꯩ ꯂꯣꯟ" data-language-local-name="manipuri" class="interlanguage-link-target"><span>ꯃꯤꯇꯩ ꯂꯣꯟ</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/320_(nombor)" title="320 (nombor) – maláj" lang="ms" hreflang="ms" data-title="320 (nombor)" data-language-autonym="Bahasa Melayu" data-language-local-name="maláj" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%DB%B3%DB%B2%DB%B0_(%D8%B9%D8%AF%D8%AF)" title="۳۲۰ (عدد) – mázanderáni" lang="mzn" hreflang="mzn" data-title="۳۲۰ (عدد)" data-language-autonym="مازِرونی" data-language-local-name="mázanderáni" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-nso mw-list-item"><a href="https://nso.wikipedia.org/wiki/320_(nomoro)" title="320 (nomoro) – északi szeszotó" lang="nso" hreflang="nso" data-title="320 (nomoro)" data-language-autonym="Sesotho sa Leboa" data-language-local-name="északi szeszotó" class="interlanguage-link-target"><span>Sesotho sa Leboa</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/320_(tal)" title="320 (tal) – svéd" lang="sv" hreflang="sv" data-title="320 (tal)" data-language-autonym="Svenska" data-language-local-name="svéd" 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/Mia_tatu_na_ishirini" title="Mia tatu na ishirini – szuahéli" lang="sw" hreflang="sw" data-title="Mia tatu na ishirini" data-language-autonym="Kiswahili" data-language-local-name="szuahéli" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/320_(%D1%81%D0%B0%D0%BD)" title="320 (сан) – tatár" lang="tt" hreflang="tt" data-title="320 (сан)" data-language-autonym="Татарча / tatarça" data-language-local-name="tatár" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/320_(%D8%B9%D8%AF%D8%AF)" title="320 (عدد) – urdu" lang="ur" hreflang="ur" data-title="320 (عدد)" data-language-autonym="اردو" data-language-local-name="urdu" 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/320_(son)" title="320 (son) – üzbég" lang="uz" hreflang="uz" data-title="320 (son)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="üzbég" 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/320_(s%E1%BB%91)" title="320 (số) – vietnámi" lang="vi" hreflang="vi" data-title="320 (số)" data-language-autonym="Tiếng Việt" data-language-local-name="vietnámi" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/320" title="320 – kínai" lang="zh" hreflang="zh" data-title="320" data-language-autonym="中文" data-language-local-name="kínai" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/320" title="320 – kantoni" lang="yue" hreflang="yue" data-title="320" data-language-autonym="粵語" data-language-local-name="kantoni" class="interlanguage-link-target"><span>粵語</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/Q940650#sitelinks-wikipedia" title="Nyelvközi hivatkozások szerkesztése" class="wbc-editpage">Hivatkozások szerkesztése</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="Névterek"> <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/320_(sz%C3%A1m)" title="A lap megtekintése [c]" accesskey="c"><span>Szócikk</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Vita:320_(sz%C3%A1m)&action=edit&redlink=1" rel="discussion" class="new" title="Az oldal tartalmának megvitatása (a lap nem létezik) [t]" accesskey="t"><span>Vitalap</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" 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href="/wiki/320_(sz%C3%A1m)"><span>Olvasás</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=320_(sz%C3%A1m)&action=edit" title="Az oldal forráskódjának szerkesztése [e]" accesskey="e"><span>Szerkesztés</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=320_(sz%C3%A1m)&action=history" title="A lap korábbi változatai [h]" accesskey="h"><span>Laptörténet</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Oldal eszközök"> <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="Eszközök" > <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">Eszközök</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">Eszközök</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">áthelyezés az oldalsávba</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">elrejtés</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="További lehetőségek" > <div class="vector-menu-heading"> Műveletek </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/320_(sz%C3%A1m)"><span>Olvasás</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=320_(sz%C3%A1m)&action=edit" title="Az oldal forráskódjának szerkesztése [e]" accesskey="e"><span>Szerkesztés</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=320_(sz%C3%A1m)&action=history"><span>Laptörténet</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Általános </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speci%C3%A1lis:Mi_hivatkozik_erre/320_(sz%C3%A1m)" title="Az erre a lapra hivatkozó más lapok listája [j]" accesskey="j"><span>Mi hivatkozik erre?</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speci%C3%A1lis:Kapcsol%C3%B3d%C3%B3_v%C3%A1ltoztat%C3%A1sok/320_(sz%C3%A1m)" rel="nofollow" title="Az erről a lapról hivatkozott lapok utolsó változtatásai [k]" accesskey="k"><span>Kapcsolódó változtatások</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Speci%C3%A1lis:Speci%C3%A1lis_lapok" title="Az összes speciális lap listája [q]" accesskey="q"><span>Speciális lapok</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=320_(sz%C3%A1m)&oldid=17506136" title="Állandó hivatkozás ezen lap ezen változatához"><span>Hivatkozás erre a változatra</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=320_(sz%C3%A1m)&action=info" title="További információk erről a lapról"><span>Lapinformációk</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:Hivatkoz%C3%A1s&page=320_%28sz%C3%A1m%29&id=17506136&wpFormIdentifier=titleform" title="Információk a lap idézésével kapcsolatban"><span>Hogyan hivatkozz erre a lapra?</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:UrlShortener&url=https%3A%2F%2Fhu.wikipedia.org%2Fwiki%2F320_%28sz%25C3%25A1m%29"><span>Rövidített URL készítése</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:QrCode&url=https%3A%2F%2Fhu.wikipedia.org%2Fwiki%2F320_%28sz%25C3%25A1m%29"><span>QR-kód letöltése</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"> Nyomtatás/exportálás </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=Speci%C3%A1lis:K%C3%B6nyv&bookcmd=book_creator&referer=320+%28sz%C3%A1m%29"><span>Könyv készítése</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speci%C3%A1lis:DownloadAsPdf&page=320_%28sz%C3%A1m%29&action=show-download-screen"><span>Letöltés PDF-ként</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=320_(sz%C3%A1m)&printable=yes" title="A lap nyomtatható változata [p]" accesskey="p"><span>Nyomtatható változat</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"> Társprojektek </div> <div class="vector-menu-content"> <ul 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id="mw-indicator-indicator-fr-review-status" class="mw-indicator"><indicator name="fr-review-status" class="mw-fr-review-status-indicator" id="mw-fr-revision-toggle"><span class="cdx-fr-css-icon-review--status--stable"></span><b>Ellenőrzött</b></indicator></div> </div> <div id="siteSub" class="noprint">A Wikipédiából, a szabad enciklopédiából</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><div id="mw-fr-revision-messages"><div id="mw-fr-revision-details" class="mw-fr-revision-details-dialog" style="display:none;"><div tabindex="0"></div><div class="cdx-dialog cdx-dialog--horizontal-actions"><header class="cdx-dialog__header cdx-dialog__header--default"><div class="cdx-dialog__header__title-group"><h2 class="cdx-dialog__header__title">Változat állapota</h2><p class="cdx-dialog__header__subtitle">Ez a lap egy ellenőrzött változata</p></div><button class="cdx-button cdx-button--action-default cdx-button--weight-quiet
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							cdx-fr-css-icon--close"></span></button></header><div class="cdx-dialog__body">Ez a <a href="/wiki/Wikip%C3%A9dia:Jel%C3%B6lt_lapv%C3%A1ltozatok" title="Wikipédia:Jelölt lapváltozatok">közzétett változat</a>, <a class="external text" href="https://hu.wikipedia.org/w/index.php?title=Speci%C3%A1lis:Rendszernapl%C3%B3k&type=review&page=320_(sz%C3%A1m)">ellenőrizve</a>: <i>2016. május 13.</i><p><table id="mw-fr-revisionratings-box" class="flaggedrevs-color-1" style="margin: auto;" cellpadding="0"><tr><td class="fr-text" style="vertical-align: middle;">Pontosság</td><td class="fr-value40" style="vertical-align: middle;">ellenőrzött</td></tr></table></p></div></div><div tabindex="0"></div></div></div></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="hu" dir="ltr"><table class="dablink noprint noviewer" style="padding-left: 2em; vertical-align: middle;" cellpadding="0" cellspacing="0"><tbody><tr><td style="padding-right:.25em;"><span typeof="mw:File"><a href="/wiki/F%C3%A1jl:Disambig.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/19px-Disambig.svg.png" decoding="async" width="19" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/29px-Disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/38px-Disambig.svg.png 2x" data-file-width="230" data-file-height="183" /></a></span></td><td><i>Ez a szócikk a háromszázhúszas számról szól. A 320. évről szóló cikket lásd itt: <a href="/wiki/320" title="320">320</a>. </i></td></tr></tbody></table> <table class="infobox ujinfobox"> <tbody><tr><td colspan="2" class="fejlec matematikainfobox" style="color:black;background-color:#7bba6a;">320<br /> <small style="font-style:italic;">(háromszázhúsz)</small></td></tr><tr><td colspan="2" style="text-align:center;"><div style="text-align:center"><small>… <a href="/wiki/316_(sz%C3%A1m)" title="316 (szám)">316</a> <a href="/wiki/317_(sz%C3%A1m)" title="317 (szám)">317</a> <a href="/wiki/318_(sz%C3%A1m)" title="318 (szám)">318</a> <a href="/wiki/319_(sz%C3%A1m)" title="319 (szám)">319</a> </small><b>« 320 »</b><small> <a href="/wiki/321_(sz%C3%A1m)" title="321 (szám)">321</a> <a href="/wiki/322_(sz%C3%A1m)" title="322 (szám)">322</a> <a href="/wiki/323_(sz%C3%A1m)" title="323 (szám)">323</a> <a href="/wiki/324_(sz%C3%A1m)" title="324 (szám)">324</a> …</small></div><div style="text-align:center"><small>… <a href="/wiki/280_(sz%C3%A1m)" title="280 (szám)">280</a> <a href="/wiki/290_(sz%C3%A1m)" title="290 (szám)">290</a> <a href="/wiki/300_(sz%C3%A1m)" title="300 (szám)">300</a> <a href="/wiki/310_(sz%C3%A1m)" title="310 (szám)">310</a> </small>•<small> <a href="/wiki/330_(sz%C3%A1m)" title="330 (szám)">330</a> <a href="/wiki/340_(sz%C3%A1m)" title="340 (szám)">340</a> <a href="/wiki/350_(sz%C3%A1m)" title="350 (szám)">350</a> <a href="/wiki/360_(sz%C3%A1m)" title="360 (szám)">360</a> …</small></div> <div style="text-align:center"><small>… <a href="/wiki/0_(sz%C3%A1m)" title="0 (szám)">0</a> <a href="/wiki/100_(sz%C3%A1m)" title="100 (szám)">100</a> <a href="/wiki/200_(sz%C3%A1m)" title="200 (szám)">200</a> <a href="/wiki/300_(sz%C3%A1m)" title="300 (szám)">300</a> </small>•<small> <a href="/wiki/400_(sz%C3%A1m)" title="400 (szám)">400</a> <a href="/wiki/500_(sz%C3%A1m)" title="500 (szám)">500</a> <a href="/wiki/600_(sz%C3%A1m)" title="600 (szám)">600</a> <a href="/wiki/700_(sz%C3%A1m)" title="700 (szám)">700</a> …</small></div></td></tr><tr><td class="fejezet" colspan="2" style="padding:1px 0px;background-color:#7bba6a;color:black;text-align:center;"><b>Tulajdonságok</b></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Norm%C3%A1lalak" title="Normálalak">Normálalak</a></b></td><td>3,2 · 10<sup>2</sup></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Kanonikus_alak#Számelmélet" title="Kanonikus alak">Kanonikus alak</a></b></td><td>2<sup>6</sup> · 5<sup>1</sup></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Oszthat%C3%B3s%C3%A1g" title="Oszthatóság">Osztók</a></b></td><td>1, 2, 4, 5, 8, 16, 32, 10, 20, 40, 64, 80, 160, 320</td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/R%C3%B3mai_sz%C3%A1m%C3%ADr%C3%A1s" title="Római számírás">Római számmal</a></b></td><td>CCCXX</td></tr><tr><td class="fejezet" colspan="2" style="padding:3px 2px;background-color:#7bba6a;color:black;text-align:center;"><b>Számrendszerek</b></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Kettes_sz%C3%A1mrendszer" title="Kettes számrendszer">Bináris alak</a></b></td><td>1 0100 0000<sub>2</sub></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Nyolcas_sz%C3%A1mrendszer" title="Nyolcas számrendszer">Oktális alak</a></b></td><td>500<sub>8</sub></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Tizenhatos_sz%C3%A1mrendszer" title="Tizenhatos számrendszer">Hexadecimális alak</a></b></td><td>140<sub>16</sub></td></tr><tr><td class="fejezet" colspan="2" style="padding:3px 2px;background-color:#7bba6a;color:black;text-align:center;"><b>Számelméleti függvények értékei</b></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Euler-f%C3%BCggv%C3%A9ny" title="Euler-függvény">Euler-függvény</a></b></td><td>128</td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/M%C3%B6bius-f%C3%BCggv%C3%A9ny" title="Möbius-függvény">Möbius-függvény</a></b></td><td>0</td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Mertens-f%C3%BCggv%C3%A9ny" title="Mertens-függvény">Mertens-függvény</a></b></td><td>−4</td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Oszt%C3%B3sz%C3%A1m-f%C3%BCggv%C3%A9ny" title="Osztószám-függvény">Osztók száma</a></b></td><td>14</td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Oszt%C3%B3%C3%B6sszeg-f%C3%BCggv%C3%A9ny" title="Osztóösszeg-függvény">Osztók összege</a></b></td><td>762<br /><i><a href="/wiki/B%C5%91velked%C5%91_sz%C3%A1mok" title="Bővelkedő számok">bővelkedő szám</a></i></td></tr><tr valign="top"><td class="cimke" style="padding:0px 3px 0px 0px;"><b><a href="/wiki/Val%C3%B3dioszt%C3%B3%C3%B6sszeg-f%C3%BCggv%C3%A9ny" title="Valódiosztóösszeg-függvény">Valódiosztó-összeg</a></b></td><td><a href="/wiki/441_(sz%C3%A1m)" title="441 (szám)">441</a></td></tr></tbody></table> <p>A <b>320</b> (római számmal: CCCXX) egy <a href="/wiki/Term%C3%A9szetes_sz%C3%A1mok" title="Természetes számok">természetes szám</a>. </p> <div class="mw-heading mw-heading2"><h2 id="A_szám_a_matematikában"><span id="A_sz.C3.A1m_a_matematik.C3.A1ban"></span>A szám a matematikában</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=320_(sz%C3%A1m)&action=edit&section=1" title="Szakasz szerkesztése: A szám a matematikában"><span>szerkesztés</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A <a href="/wiki/T%C3%ADzes_sz%C3%A1mrendszer" title="Tízes számrendszer">tízes számrendszerbeli</a> 320-as a <a href="/wiki/Kettes_sz%C3%A1mrendszer" title="Kettes számrendszer">kettes számrendszerben</a> <i>101000000</i>, a <a href="/wiki/Nyolcas_sz%C3%A1mrendszer" title="Nyolcas számrendszer">nyolcas számrendszerben</a> <i>500</i>, a <a href="/wiki/Tizenhatos_sz%C3%A1mrendszer" title="Tizenhatos számrendszer">tizenhatos számrendszerben</a> <i>140</i> alakban írható fel. </p><p>A 320 <a href="/wiki/P%C3%A1ros_%C3%A9s_p%C3%A1ratlan_sz%C3%A1mok" title="Páros és páratlan számok">páros szám</a>, <a href="/wiki/%C3%96sszetett_sz%C3%A1mok" title="Összetett számok">összetett szám</a>, <a href="/wiki/Kanonikus_alak" title="Kanonikus alak">kanonikus alakban</a> a 2<sup>6</sup> · 5<sup>1</sup> szorzattal, <a href="/wiki/Norm%C3%A1lalak" title="Normálalak">normálalakban</a> a 3,2 · 10<sup>2</sup> szorzattal írható fel. Tizennégy <a href="/wiki/Oszthat%C3%B3s%C3%A1g" title="Oszthatóság">osztója</a> van a természetes számok halmazán, ezek növekvő sorrendben: <a href="/wiki/1_(sz%C3%A1m)" title="1 (szám)">1</a>, <a href="/wiki/2_(sz%C3%A1m)" title="2 (szám)">2</a>, <a href="/wiki/4_(sz%C3%A1m)" title="4 (szám)">4</a>, <a href="/wiki/5_(sz%C3%A1m)" title="5 (szám)">5</a>, <a href="/wiki/8_(sz%C3%A1m)" title="8 (szám)">8</a>, <a href="/wiki/16_(sz%C3%A1m)" title="16 (szám)">16</a>, <a href="/wiki/32_(sz%C3%A1m)" title="32 (szám)">32</a>, <a href="/wiki/10_(sz%C3%A1m)" title="10 (szám)">10</a>, <a href="/wiki/20_(sz%C3%A1m)" title="20 (szám)">20</a>, <a href="/wiki/40_(sz%C3%A1m)" title="40 (szám)">40</a>, <a href="/wiki/64_(sz%C3%A1m)" title="64 (szám)">64</a>, <a href="/wiki/80_(sz%C3%A1m)" title="80 (szám)">80</a>, <a href="/wiki/160_(sz%C3%A1m)" title="160 (szám)">160</a> és 320. </p><p><a href="/wiki/Leyland-sz%C3%A1m" class="mw-redirect" title="Leyland-szám">Leyland-szám</a>, tehát felírható <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 x^{y}+y^{x}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>y</mi> </mrow> </msup> <mo>+</mo> <msup> <mi>y</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>x</mi> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x^{y}+y^{x}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ffdf3c9309c6b5b63ff065b1c8e0ff0697ff282a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:7.552ex; height:2.676ex;" alt="{\displaystyle x^{y}+y^{x}}"></span> alakban. </p><p>A 320 négyzete 102 400, köbe 32 768 000, négyzetgyöke 17,88854, köbgyöke 6,83990, reciproka 0,0031250. A 320 egység sugarú kör kerülete 2010,61930 egység, területe 321 699,08773 területegység; a 320 egység sugarú gömb térfogata 137 258 277,4 térfogategység. </p> <div class="tarsprojekt-alap noviewer"> <style data-mw-deduplicate="TemplateStyles:r27252708">.mw-parser-output .tarsprojekt-alap{float:right;clear:right;width:272px;display:flex;column-gap:10px;margin:0 0 1em 1em;border:1px solid #a2a9b1;padding:4px;background-color:var(--background-color-neutral-subtle,#f8f9fa);color:var(--color-base,#202122);font-size:95%}@media screen and (max-width:719px){.mw-parser-output .tarsprojekt-alap{float:none;width:auto;margin:0 0 1em}}@media print{.mw-parser-output .tarsprojekt-alap{display:none}}</style> <div class="tarsprojekt-alap-ikon"><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/Category:320_(number)" title="commons:Category:320 (number)"><img alt="Commons:Category:320 (number)" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/50px-Commons-logo.svg.png" decoding="async" width="50" height="67" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/75px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/100px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="tarsprojekt-alap-szoveg">A <a href="/wiki/Wikim%C3%A9dia_Commons" title="Wikimédia Commons">Wikimédia Commons</a> tartalmaz <i><b><a href="https://commons.wikimedia.org/wiki/Category:320_(number)" class="extiw" title="commons:Category:320 (number)">320 (szám)</a></b></i> témájú médiaállományokat.</div> </div></div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">A lap eredeti címe: „<a dir="ltr" href="https://hu.wikipedia.org/w/index.php?title=320_(szám)&oldid=17506136">https://hu.wikipedia.org/w/index.php?title=320_(szám)&oldid=17506136</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikip%C3%A9dia:Kateg%C3%B3ri%C3%A1k" title="Wikipédia:Kategóriák">Kategória</a>: <ul><li><a href="/wiki/Kateg%C3%B3ria:Eg%C3%A9sz_sz%C3%A1mok_(1%E2%80%931000)" title="Kategória:Egész számok (1–1000)">Egész számok (1–1000)</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"> A lap utolsó módosítása: 2016. május 13., 19:36</li> <li id="footer-info-copyright">A lap szövege <a rel="nofollow" class="external text" href="http://creativecommons.org/licenses/by-sa/4.0/deed.hu">Creative Commons Nevezd meg! – Így add tovább! 4.0</a> licenc alatt van; egyes esetekben más módon is felhasználható. 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