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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">siirrä sivupalkkiin</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">piilota</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">Johdanto</div> </a> </li> <li id="toc-Matematiikassa" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Matematiikassa"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Matematiikassa</span> </div> </a> <ul id="toc-Matematiikassa-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Luonnontieteissä" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a 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class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sisällysluettelo" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Sisällysluettelo" > <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="Vaihda sisällysluettelo" > <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">Vaihda sisällysluettelo</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">72 (luku)</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="Mene artikkeliin toisella kielellä. Saatavilla 74 kielellä" > <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-74" 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">74 kieltä</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/72_(%D0%B0%D1%85%D1%8B%D4%A5%D1%85%D1%8C%D0%B0%D3%A1%D0%B0%D1%80%D0%B0)" title="72 (ахыԥхьаӡара) — abhaasi" lang="ab" hreflang="ab" data-title="72 (ахыԥхьаӡара)" data-language-autonym="Аԥсшәа" data-language-local-name="abhaasi" class="interlanguage-link-target"><span>Аԥсшәа</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/72_(%D8%B9%D8%AF%D8%AF)" title="72 (عدد) — arabia" lang="ar" hreflang="ar" data-title="72 (عدد)" data-language-autonym="العربية" data-language-local-name="arabia" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/72_(%D5%A9%D5%AB%D6%82)" title="72 (թիւ) — Western Armenian" lang="hyw" hreflang="hyw" data-title="72 (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-az mw-list-item"><a href="https://az.wikipedia.org/wiki/72_(%C9%99d%C9%99d)" title="72 (ədəd) — azeri" lang="az" hreflang="az" data-title="72 (ədəd)" data-language-autonym="Azərbaycanca" data-language-local-name="azeri" 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/%DB%B7%DB%B2_(%D8%B3%D8%A7%DB%8C%DB%8C)" title="۷۲ (سایی) — South Azerbaijani" lang="azb" hreflang="azb" data-title="۷۲ (سایی)" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/72_(angka)" title="72 (angka) — indonesia" lang="id" hreflang="id" data-title="72 (angka)" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesia" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/72_(nombor)" title="72 (nombor) — malaiji" lang="ms" hreflang="ms" data-title="72 (nombor)" data-language-autonym="Bahasa Melayu" data-language-local-name="malaiji" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/72_(angka)" title="72 (angka) — bali" lang="ban" hreflang="ban" data-title="72 (angka)" data-language-autonym="Basa Bali" data-language-local-name="bali" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BC%A7%E0%BC%A2_(%E0%BD%82%E0%BE%B2%E0%BD%84%E0%BD%A6%E0%BC%8B%E0%BD%80%E0%BC%8D)" title="༧༢ (གྲངས་ཀ།) — tiibet" lang="bo" hreflang="bo" data-title="༧༢ (གྲངས་ཀ།)" data-language-autonym="བོད་ཡིག" data-language-local-name="tiibet" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/72_(%D1%87%D0%B8%D1%81%D0%BB%D0%BE)" title="72 (число) — bulgaria" lang="bg" hreflang="bg" data-title="72 (число)" data-language-autonym="Български" data-language-local-name="bulgaria" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Setanta-dos" title="Setanta-dos — katalaani" lang="ca" hreflang="ca" data-title="Setanta-dos" data-language-autonym="Català" data-language-local-name="katalaani" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/72_(%D1%85%D0%B8%D1%81%D0%B5%D0%BF)" title="72 (хисеп) — tšuvassi" lang="cv" hreflang="cv" data-title="72 (хисеп)" data-language-autonym="Чӑвашла" data-language-local-name="tšuvassi" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/72_(%C4%8D%C3%ADslo)" title="72 (číslo) — tšekki" lang="cs" hreflang="cs" data-title="72 (číslo)" data-language-autonym="Čeština" data-language-local-name="tšekki" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/72_(tal)" title="72 (tal) — tanska" lang="da" hreflang="da" data-title="72 (tal)" data-language-autonym="Dansk" data-language-local-name="tanska" 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/Zweiundsiebzig" title="Zweiundsiebzig — saksa" lang="de" hreflang="de" data-title="Zweiundsiebzig" data-language-autonym="Deutsch" data-language-local-name="saksa" 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/72_(%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82)" title="72 (αριθμός) — kreikka" lang="el" hreflang="el" data-title="72 (αριθμός)" data-language-autonym="Ελληνικά" data-language-local-name="kreikka" 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/72_(n%C3%B9mer)" title="72 (nùmer) — Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="72 (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-en mw-list-item"><a href="https://en.wikipedia.org/wiki/72_(number)" title="72 (number) — englanti" lang="en" hreflang="en" data-title="72 (number)" data-language-autonym="English" data-language-local-name="englanti" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Setenta_y_dos" title="Setenta y dos — espanja" lang="es" hreflang="es" data-title="Setenta y dos" data-language-autonym="Español" data-language-local-name="espanja" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/72_(nombro)" title="72 (nombro) — esperanto" lang="eo" hreflang="eo" data-title="72 (nombro)" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Hirurogeita_hamabi" title="Hirurogeita hamabi — baski" lang="eu" hreflang="eu" data-title="Hirurogeita hamabi" data-language-autonym="Euskara" data-language-local-name="baski" 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/%DB%B7%DB%B2_(%D8%B9%D8%AF%D8%AF)" title="۷۲ (عدد) — persia" lang="fa" hreflang="fa" data-title="۷۲ (عدد)" data-language-autonym="فارسی" data-language-local-name="persia" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/72_(nombre)" title="72 (nombre) — ranska" lang="fr" hreflang="fr" data-title="72 (nombre)" data-language-autonym="Français" data-language-local-name="ranska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/72_(uimhir)" title="72 (uimhir) — iiri" lang="ga" hreflang="ga" data-title="72 (uimhir)" data-language-autonym="Gaeilge" data-language-local-name="iiri" 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/72" title="72 — gan-kiina" lang="gan" hreflang="gan" data-title="72" data-language-autonym="贛語" data-language-local-name="gan-kiina" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/72" title="72 — korea" lang="ko" hreflang="ko" data-title="72" data-language-autonym="한국어" data-language-local-name="korea" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/72_(al%C6%99alami)" title="72 (alƙalami) — hausa" lang="ha" hreflang="ha" data-title="72 (alƙalami)" data-language-autonym="Hausa" data-language-local-name="hausa" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/72_(%D5%A9%D5%AB%D5%BE)" title="72 (թիվ) — armenia" lang="hy" hreflang="hy" data-title="72 (թիվ)" data-language-autonym="Հայերեն" data-language-local-name="armenia" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/72_(numero)" title="72 (numero) — interlingua" lang="ia" hreflang="ia" data-title="72 (numero)" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/72_(numero)" title="72 (numero) — italia" lang="it" hreflang="it" data-title="72 (numero)" data-language-autonym="Italiano" data-language-local-name="italia" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/72_(%E1%83%A0%E1%83%98%E1%83%AA%E1%83%AE%E1%83%95%E1%83%98)" title="72 (რიცხვი) — georgia" lang="ka" hreflang="ka" data-title="72 (რიცხვი)" data-language-autonym="ქართული" data-language-local-name="georgia" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/72_(%DA%AF%D8%B1%D9%8E%D9%9B%D9%86%D9%9B%D8%AF)" title="72 (گرَٛنٛد) — kašmiri" lang="ks" hreflang="ks" data-title="72 (گرَٛنٛد)" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="kašmiri" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Sabini_na_mbili" title="Sabini na mbili — swahili" lang="sw" hreflang="sw" data-title="Sabini na mbili" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/72_(nonm)" title="72 (nonm) — haiti" lang="ht" hreflang="ht" data-title="72 (nonm)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haiti" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-lbe mw-list-item"><a href="https://lbe.wikipedia.org/wiki/%D0%90%D1%80%D1%83%D0%BB%D1%86%D3%80%D0%B0%D0%BB%D0%BB%D0%B8%D0%B9_%D0%BA%D3%80%D0%B8%D0%B2%D0%B0" title="АрулцӀаллий кӀива — Lak" lang="lbe" hreflang="lbe" data-title="АрулцӀаллий кӀива" data-language-autonym="Лакку" data-language-local-name="Lak" class="interlanguage-link-target"><span>Лакку</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/72_(skaitlis)" title="72 (skaitlis) — latvia" lang="lv" hreflang="lv" data-title="72 (skaitlis)" data-language-autonym="Latviešu" data-language-local-name="latvia" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/72_(sz%C3%A1m)" title="72 (szám) — unkari" lang="hu" hreflang="hu" data-title="72 (szám)" data-language-autonym="Magyar" data-language-local-name="unkari" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mai mw-list-item"><a href="https://mai.wikipedia.org/wiki/%E0%A5%AD%E0%A5%A8" title="७२ — maithili" lang="mai" hreflang="mai" data-title="७२" data-language-autonym="मैथिली" data-language-local-name="maithili" class="interlanguage-link-target"><span>मैथिली</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/72_(%D0%B1%D1%80%D0%BE%D1%98)" title="72 (број) — makedonia" lang="mk" hreflang="mk" data-title="72 (број)" data-language-autonym="Македонски" data-language-local-name="makedonia" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A5%AD%E0%A5%A8_(%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE)" title="७२ (संख्या) — marathi" lang="mr" hreflang="mr" data-title="७२ (संख्या)" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%DB%B7%DB%B2_(%D8%B9%D8%AF%D8%AF)" title="۷۲ (عدد) — mazandarani" lang="mzn" hreflang="mzn" data-title="۷۲ (عدد)" data-language-autonym="مازِرونی" data-language-local-name="mazandarani" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-mni mw-list-item"><a href="https://mni.wikipedia.org/wiki/%EA%AF%B7%EA%AF%B2" title="꯷꯲ — manipuri" lang="mni" hreflang="mni" data-title="꯷꯲" 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-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/72" title="72 — Mindong" lang="cdo" hreflang="cdo" data-title="72" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Vitu_ka_rua" title="Vitu ka rua — fidži" lang="fj" hreflang="fj" data-title="Vitu ka rua" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="fidži" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/72_(getal)" title="72 (getal) — hollanti" lang="nl" hreflang="nl" data-title="72 (getal)" data-language-autonym="Nederlands" data-language-local-name="hollanti" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/72" title="72 — japani" lang="ja" hreflang="ja" data-title="72" data-language-autonym="日本語" data-language-local-name="japani" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nap mw-list-item"><a href="https://nap.wikipedia.org/wiki/Sittantad%C3%B2je" title="Sittantadòje — napoli" lang="nap" hreflang="nap" data-title="Sittantadòje" data-language-autonym="Napulitano" data-language-local-name="napoli" class="interlanguage-link-target"><span>Napulitano</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/72_(tall)" title="72 (tall) — norjan bokmål" lang="nb" hreflang="nb" data-title="72 (tall)" data-language-autonym="Norsk bokmål" data-language-local-name="norjan bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/72_(son)" title="72 (son) — uzbekki" lang="uz" hreflang="uz" data-title="72 (son)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekki" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/72" title="72 — Western Punjabi" lang="pnb" hreflang="pnb" data-title="72" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DB%B7%DB%B2_(%D8%B9%D8%AF%D8%AF)" title="۷۲ (عدد) — paštu" lang="ps" hreflang="ps" data-title="۷۲ (عدد)" data-language-autonym="پښتو" data-language-local-name="paštu" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/72_(liczba)" title="72 (liczba) — puola" lang="pl" hreflang="pl" data-title="72 (liczba)" data-language-autonym="Polski" data-language-local-name="puola" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt badge-Q70893996 mw-list-item" title=""><a href="https://pt.wikipedia.org/wiki/Setenta_e_dois" title="Setenta e dois — portugali" lang="pt" hreflang="pt" data-title="Setenta e dois" data-language-autonym="Português" data-language-local-name="portugali" 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/72_(num%C4%83r)" title="72 (număr) — romania" lang="ro" hreflang="ro" data-title="72 (număr)" data-language-autonym="Română" data-language-local-name="romania" 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/72_(%D1%87%D0%B8%D1%81%D0%BB%D0%BE)" title="72 (число) — venäjä" lang="ru" hreflang="ru" data-title="72 (число)" data-language-autonym="Русский" data-language-local-name="venäjä" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-nso mw-list-item"><a href="https://nso.wikipedia.org/wiki/72_(nomoro)" title="72 (nomoro) — pohjoissotho" lang="nso" hreflang="nso" data-title="72 (nomoro)" data-language-autonym="Sesotho sa Leboa" data-language-local-name="pohjoissotho" class="interlanguage-link-target"><span>Sesotho sa Leboa</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/72_(number)" title="72 (number) — Simple English" lang="en-simple" hreflang="en-simple" data-title="72 (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-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/72_(%C5%A1tevilo)" title="72 (število) — sloveeni" lang="sl" hreflang="sl" data-title="72 (število)" data-language-autonym="Slovenščina" data-language-local-name="sloveeni" 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/72_(tiro)" title="72 (tiro) — somali" lang="so" hreflang="so" data-title="72 (tiro)" data-language-autonym="Soomaaliga" data-language-local-name="somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%A7%D9%A2_(%DA%98%D9%85%D8%A7%D8%B1%DB%95)" title="٧٢ (ژمارە) — soranî" lang="ckb" hreflang="ckb" data-title="٧٢ (ژمارە)" data-language-autonym="کوردی" data-language-local-name="soranî" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-srn mw-list-item"><a href="https://srn.wikipedia.org/wiki/Numro_72" title="Numro 72 — sranan" lang="srn" hreflang="srn" data-title="Numro 72" data-language-autonym="Sranantongo" data-language-local-name="sranan" class="interlanguage-link-target"><span>Sranantongo</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/72_(%D0%B1%D1%80%D0%BE%D1%98)" title="72 (број) — serbia" lang="sr" hreflang="sr" data-title="72 (број)" data-language-autonym="Српски / srpski" data-language-local-name="serbia" 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/72_(tal)" title="72 (tal) — ruotsi" lang="sv" hreflang="sv" data-title="72 (tal)" data-language-autonym="Svenska" data-language-local-name="ruotsi" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/72_(%D1%81%D0%B0%D0%BD)" title="72 (сан) — tataari" lang="tt" hreflang="tt" data-title="72 (сан)" data-language-autonym="Татарча / tatarça" data-language-local-name="tataari" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/72" title="72 — thai" lang="th" hreflang="th" data-title="72" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/72_(s%E1%BB%91)" title="72 (số) — vietnam" lang="vi" hreflang="vi" data-title="72 (số)" data-language-autonym="Tiếng Việt" data-language-local-name="vietnam" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/72_(say%C4%B1)" title="72 (sayı) — turkki" lang="tr" hreflang="tr" data-title="72 (sayı)" data-language-autonym="Türkçe" data-language-local-name="turkki" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/72_(%D1%87%D0%B8%D1%81%D0%BB%D0%BE)" title="72 (число) — ukraina" lang="uk" hreflang="uk" data-title="72 (число)" data-language-autonym="Українська" data-language-local-name="ukraina" 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/72_(%D8%B9%D8%AF%D8%AF)" title="72 (عدد) — urdu" lang="ur" hreflang="ur" data-title="72 (عدد)" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/72" title="72 — zhuang" lang="za" hreflang="za" data-title="72" data-language-autonym="Vahcuengh" data-language-local-name="zhuang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/72_(ihap)" title="72 (ihap) — waray" lang="war" hreflang="war" data-title="72 (ihap)" data-language-autonym="Winaray" data-language-local-name="waray" 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/72" title="72 — wu-kiina" lang="wuu" hreflang="wuu" data-title="72" data-language-autonym="吴语" data-language-local-name="wu-kiina" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/72" title="72 — kantoninkiina" lang="yue" hreflang="yue" data-title="72" data-language-autonym="粵語" data-language-local-name="kantoninkiina" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/72" title="72 — kiina" lang="zh" hreflang="zh" data-title="72" data-language-autonym="中文" data-language-local-name="kiina" class="interlanguage-link-target"><span>中文</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/Q243817#sitelinks-wikipedia" title="Muokkaa kieltenvälisiä linkkejä" class="wbc-editpage">Muokkaa linkkejä</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="Nimiavaruudet"> <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/72_(luku)" title="Näytä 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id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Ulkoasu"> <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">Ulkoasu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">siirrä sivupalkkiin</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">piilota</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">Wikipediasta</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="fi" dir="ltr"><div class="noprint article-about-box" style="background-color: var( --background-color-neutral-subtle, #f9f9f9 ); color: var( --color-emphasized, #000000 ); font-size: 95%; padding: 0.2em 0.2em 0.2em 2em; margin-bottom: 1em; border: 1px solid #b6b6b6;"><i>Tämä artikkeli kertoo luvusta 72. <a href="/wiki/72" title="72">Vuodesta 72</a> on erillinen artikkeli.</i></div> <table class="infobox" border="0" cellspacing="0" cellpadding="2" style="font-size:92%;font-size: 0.9em; border-collapse: collapse; border-collapse: collapse; width: 24em;;"> <tbody><tr><th class="" colspan="2" style="text-align:center; font-size:15px; border-bottom: 1px solid #AAAAAA; background-color: #B2DFB2; color: #000000;"><a href="/wiki/Luonnollinen_luku" title="Luonnollinen luku">Luonnolliset luvut</a></th> </tr> <tr><td class="" colspan="2" style="text-align:center;"> <p><big><big><b>72</b></big></big><br /><a href="/wiki/69_(luku)" title="69 (luku)">←</a> <a href="/wiki/70_(luku)" title="70 (luku)">70</a> <a href="/wiki/71_(luku)" title="71 (luku)">71</a> <a class="mw-selflink selflink">72</a> <a href="/wiki/73_(luku)" title="73 (luku)">73</a> <a href="/wiki/74_(luku)" title="74 (luku)">74</a> <a href="/wiki/75_(luku)" title="75 (luku)">75</a> <a href="/wiki/76_(luku)" title="76 (luku)">76</a> <a href="/wiki/77_(luku)" title="77 (luku)">77</a> <a href="/wiki/78_(luku)" title="78 (luku)">78</a> <a href="/wiki/79_(luku)" title="79 (luku)">79</a> <a href="/wiki/80_(luku)" title="80 (luku)">→</a> </p> </td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Kardinaaliluku" class="mw-disambig" title="Kardinaaliluku">Kardinaaliluku</a></td> <td class="" colspan="1" style="vertical-align: top;"> seitsemänkymmentäkaksi,<br />(kaksikahdeksatta)</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/J%C3%A4rjestysluku" class="mw-disambig" title="Järjestysluku">Järjestysluku</a></td> <td class="" colspan="1" style="vertical-align: top;"> seitsemäskymmenestoinen,<br />(kahdeskahdeksatta)</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Tekij%C3%A4" title="Tekijä">Tekijät</a></td> <td class="" colspan="1" style="vertical-align: top;"> 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Alkutekij%C3%A4" title="Alkutekijä">Alkutekijät</a></td> <td class="" colspan="1" style="vertical-align: top;"> <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 2^{3}\cdot 3^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mo>⋅</mo> <msup> <mn>3</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 2^{3}\cdot 3^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e98883a07ae48c1219cf26c82dfc7ec8757db266" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.112ex; height:2.676ex;" alt="{\displaystyle 2^{3}\cdot 3^{2}}" /></span></td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Roomalaiset_numerot" title="Roomalaiset numerot">Roomalainen numero</a></td> <td class="" colspan="1" style="vertical-align: top;"> LXXII</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Bin%C3%A4%C3%A4rij%C3%A4rjestelm%C3%A4" title="Binäärijärjestelmä">Binääriluku</a></td> <td class="" colspan="1" style="vertical-align: top;"> 1001000</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Oktaalij%C3%A4rjestelm%C3%A4" title="Oktaalijärjestelmä">Oktaaliluku</a></td> <td class="" colspan="1" style="vertical-align: top;"> 110</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Duodesimaalij%C3%A4rjestelm%C3%A4" title="Duodesimaalijärjestelmä">Duodesimaaliluku</a></td> <td class="" colspan="1" style="vertical-align: top;"> 60</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Heksadesimaalij%C3%A4rjestelm%C3%A4" title="Heksadesimaalijärjestelmä">Heksadesimaaliluku</a></td> <td class="" colspan="1" style="vertical-align: top;"> 48</td> </tr> <tr><td class="" colspan="1" style="vertical-align: top; font-weight:bold;"><a href="/wiki/Vigesimaalij%C3%A4rjestelm%C3%A4" title="Vigesimaalijärjestelmä">Vigesimaaliluku</a></td> <td class="" colspan="1" style="vertical-align: top;"> 3C</td> </tr><tr class="infobox_tests" style="display:none"><td><span class="wd_tests"><a class="external text" href="https://tools.wmflabs.org/fiwiki-tools/testit/INFOBOX/OK">Infobox OK</a></span></td></tr> </tbody></table> <p><b>72</b> (<b>seitsemänkymmentäkaksi</b>) on <a href="/wiki/Luonnollinen_luku" title="Luonnollinen luku">luonnollinen luku</a>, jota edeltää <a href="/wiki/71_(luku)" title="71 (luku)">luku 71</a> ja seuraa <a href="/wiki/73_(luku)" title="73 (luku)">luku 73</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Matematiikassa">Matematiikassa</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=72_(luku)&veaction=edit&section=1" title="Muokkaa osiota Matematiikassa" class="mw-editsection-visualeditor"><span>muokkaa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=72_(luku)&action=edit&section=1" title="Muokkaa osion lähdekoodia: Matematiikassa"><span>muokkaa wikitekstiä</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>72 on <a href="/wiki/Yhdistetty_luku" title="Yhdistetty luku">yhdistetty</a>, <a href="/wiki/Runsas_luku" title="Runsas luku">runsas</a> ja <a href="/wiki/Puolit%C3%A4ydellinen_luku" title="Puolitäydellinen luku">puolitäydellinen luku</a>.</li> <li>72 on ”erittäin runsas luku” (<a href="/wiki/Englannin_kieli" title="Englannin kieli">engl.</a> <span lang="en"><i>highly abundant number</i></span>), koska sen tekijöiden summa (195<sup id="cite_ref-sigma_1-0" class="reference"><a href="#cite_note-sigma-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>) on suurempi kuin millään pienemmällä luvulla.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li>72 on ”käytännöllinen luku” (<a href="/wiki/Englannin_kieli" title="Englannin kieli">engl.</a> <span lang="en"><i>practical number</i></span>), koska kukin luonnollinen luku sen tekijöiden summaan (195) saakka voidaan muodostaa sen eri tekijöiden summana.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li>72 on pienin luku, joka on (vähintään) neljän luonnollisen luvun tapauksessa kunkin tekijöiden summa.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> (Nämä luvut ovat 30, 46, 51, 55 ja 71.<sup id="cite_ref-sigma_1-1" class="reference"><a href="#cite_note-sigma-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>)</li> <li>72 on jaollinen tekijöidensä määrällä (12).<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li>72 on <a href="/wiki/Harshad-luku" title="Harshad-luku">Harshad-luku</a> <a href="/wiki/Bin%C3%A4%C3%A4rij%C3%A4rjestelm%C3%A4" title="Binäärijärjestelmä">binääri-</a><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>, <a href="/wiki/Oktaalij%C3%A4rjestelm%C3%A4" title="Oktaalijärjestelmä">oktaali-</a><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> ja <a href="/wiki/Kymmenj%C3%A4rjestelm%C3%A4" title="Kymmenjärjestelmä">kymmenjärjestelmässä</a>.</li> <li>72 on <a href="/wiki/Palindromi" title="Palindromi">palindromi</a> viisijärjestelmässä (242<sub>5</sub>).<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></li> <li>72 kuuluu <a href="/w/index.php?title=Ulamin_luku&action=edit&redlink=1" class="new" title="Ulamin luku (sivua ei ole)">Ulamin lukuihin</a>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></li> <li>72 on pienin luku, jonka viides potenssi voidaan muodostaa viiden pienemmän luonnollisen luvun viidensien potenssien summana: <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 72^{5}=67^{5}+47^{5}+46^{5}+43^{5}+19^{5}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mn>72</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msup> <mo>=</mo> <msup> <mn>67</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msup> <mo>+</mo> <msup> <mn>47</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msup> <mo>+</mo> <msup> <mn>46</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msup> <mo>+</mo> <msup> <mn>43</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msup> <mo>+</mo> <msup> <mn>19</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 72^{5}=67^{5}+47^{5}+46^{5}+43^{5}+19^{5}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/833b68846f31ec14ee2899babc02efa5fda8894c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:34.735ex; height:2.843ex;" alt="{\displaystyle 72^{5}=67^{5}+47^{5}+46^{5}+43^{5}+19^{5}}" /></span>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li>72 voidaan muodostaa kahden peräkkäisen luonnollisen luvun tulona: <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 8\cdot 9}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>8</mn> <mo>⋅</mo> <mn>9</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 8\cdot 9}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5cc1d74330a8901100d112d36fff1ffae783c24d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.004ex; height:2.176ex;" alt="{\displaystyle 8\cdot 9}" /></span>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup></li> <li>72 voidaan muodostaa kahden eri <a href="/wiki/Kuutioluku" title="Kuutioluku">kuutioluvun</a> summana: <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 4^{3}+2^{3}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mn>4</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mo>+</mo> <msup> <mn>2</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 4^{3}+2^{3}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9018adf953c3da5103177c6be7f9a6e47a0a50fa" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:7.274ex; height:2.843ex;" alt="{\displaystyle 4^{3}+2^{3}}" /></span>.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup></li> <li>72 voidaan muodostaa neljän peräkkäisen <a href="/wiki/Alkuluku" title="Alkuluku">alkuluvun</a> summana: <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 13+17+19+23}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>13</mn> <mo>+</mo> <mn>17</mn> <mo>+</mo> <mn>19</mn> <mo>+</mo> <mn>23</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 13+17+19+23}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c976ab4ff4687d2e2a0f787bd198e7463ae369c2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:17.821ex; height:2.343ex;" alt="{\displaystyle 13+17+19+23}" /></span>.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup></li> <li>72 voidaan muodostaa kuuden peräkkäisen alkuluvun summana: <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 5+7+11+13+17+19}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>5</mn> <mo>+</mo> <mn>7</mn> <mo>+</mo> <mn>11</mn> <mo>+</mo> <mn>13</mn> <mo>+</mo> <mn>17</mn> <mo>+</mo> <mn>19</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 5+7+11+13+17+19}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/06a03509653880a30c90858a2a173c33d4869468" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:25.827ex; height:2.343ex;" alt="{\displaystyle 5+7+11+13+17+19}" /></span>.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup></li> <li>72 on <a href="/wiki/Alkulukupari" title="Alkulukupari">alkulukuparin</a> <span style="white-space:nowrap">(71, 73)</span> keskiarvo.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup></li> <li>72 on kahden peräkkäisen alkuluvun (5179 ja 5189) keskiarvon neliöjuuri.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/S%C3%A4%C3%A4nn%C3%B6llinen_viisikulmio" title="Säännöllinen viisikulmio">Säännöllisen viisikulmion</a> ulkokulman suuruus on 72°.</li> <li>Typistetyssä kuboktaedrissa (katso <a href="/wiki/Arkhimedeen_kappale" title="Arkhimedeen kappale">Arkhimedeen kappale</a>) ja sen <a href="/wiki/Duaalikappale" title="Duaalikappale">duaalikappaleessa</a> disdyakis-dodekaedrissa (katso <a href="/wiki/Catalanin_kappale" title="Catalanin kappale">Catalanin kappale</a>) on 72 <a href="/wiki/S%C3%A4rm%C3%A4_(geometria)" title="Särmä (geometria)">särmää</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Luonnontieteissä"><span id="Luonnontieteiss.C3.A4"></span>Luonnontieteissä</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=72_(luku)&veaction=edit&section=2" title="Muokkaa osiota Luonnontieteissä" class="mw-editsection-visualeditor"><span>muokkaa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=72_(luku)&action=edit&section=2" title="Muokkaa osion lähdekoodia: Luonnontieteissä"><span>muokkaa wikitekstiä</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Jaksollinen_j%C3%A4rjestelm%C3%A4" title="Jaksollinen järjestelmä">Jaksollisessa järjestelmässä</a> 72 on <a href="/wiki/Hafnium" title="Hafnium">hafniumin</a> <a href="/wiki/J%C3%A4rjestysluku_(kemia)" title="Järjestysluku (kemia)">järjestysluku</a>.</li> <li><a href="/wiki/Germanium" title="Germanium">Germanium</a>-72 on germaniumin vakaa <a href="/wiki/Isotooppi" title="Isotooppi">isotooppi</a>.</li> <li><a href="/wiki/Tina" title="Tina">Tina</a>-122 on tinan vakaa isotooppi, jonka <a href="/wiki/Neutroniluku" class="mw-redirect" title="Neutroniluku">neutroniluku</a> on 72.</li> <li><a href="/wiki/Antimoni" title="Antimoni">Antimoni</a>-123 on antimonin vakaa isotooppi, jonka neutroniluku on 72.</li> <li><a href="/wiki/Telluuri" title="Telluuri">Telluuri</a>-124 on telluurin vakaa isotooppi, jonka neutroniluku on 72.</li> <li><a href="/wiki/Ksenon" title="Ksenon">Ksenon</a>-126 on ksenonin vakaa isotooppi, jonka neutroniluku on 72.</li> <li><a href="/wiki/72_Feronia" title="72 Feronia">72 Feronia</a> on pikkuplaneetta.</li> <li><a href="/wiki/Messier_72" title="Messier 72">Messier 72</a> on pallomainen tähtijoukko.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Muissa_yhteyksissä"><span id="Muissa_yhteyksiss.C3.A4"></span>Muissa yhteyksissä</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=72_(luku)&veaction=edit&section=3" title="Muokkaa osiota Muissa yhteyksissä" class="mw-editsection-visualeditor"><span>muokkaa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=72_(luku)&action=edit&section=3" title="Muokkaa osion lähdekoodia: Muissa yhteyksissä"><span>muokkaa wikitekstiä</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Piste_(typografia)" title="Piste (typografia)">Typografinen piste</a> on 1/72 tuumaa.</li> <li><a href="/wiki/Luettelo_eurooppateist%C3%A4#Itä-länsisuuntaiset_välitiet" title="Luettelo eurooppateistä">Eurooppatie E72</a> kulkee <a href="/wiki/Ranska" title="Ranska">Ranskassa</a>.</li> <li><a href="/wiki/Kantatie_72" title="Kantatie 72">Kantatie 72</a> kulkee <a href="/wiki/Mikkeli" title="Mikkeli">Mikkelin</a> ja <a href="/wiki/Suonenjoki" title="Suonenjoki">Suonenjoen</a> välillä.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Lähteet"><span id="L.C3.A4hteet"></span>Lähteet</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=72_(luku)&veaction=edit&section=4" title="Muokkaa osiota Lähteet" class="mw-editsection-visualeditor"><span>muokkaa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=72_(luku)&action=edit&section=4" title="Muokkaa osion lähdekoodia: Lähteet"><span>muokkaa wikitekstiä</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r23091323">.mw-parser-output div.viitteet-malline ol.references{list-style-type:inherit}.mw-parser-output .viitteet-sarakkeet li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output ol.references>li:target{background-color:var(--background-color-interactive,#DEF)}.mw-parser-output sup.reference:target{background-color:var(--background-color-interactive,#DEF)}.mw-parser-output span[rel="mw:referencedBy"]{counter-reset:mw-ref-linkback 0}.mw-parser-output span[rel="mw:referencedBy"]>a::before{font-style:italic;content:counter(mw-ref-linkback,lower-alpha)}body.action-info .mw-parser-output :target{background-color:var(--background-color-interactive,#DEF)}</style><div class="viitteet-malline" style="list-style-type:decimal;"><ol class="references"> <li id="cite_note-sigma-1"><span class="mw-cite-backlink">↑ <a href="#cite_ref-sigma_1-0"><sup><i>a</i></sup></a> <a href="#cite_ref-sigma_1-1"><sup><i>b</i></sup></a></span> <span class="reference-text"><a href="//oeis.org/A000203" class="extiw" title="oeis:A000203">A000203</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><a href="//oeis.org/A002093" class="extiw" title="oeis:A002093">A002093</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a href="//oeis.org/A005153" class="extiw" title="oeis:A005153">A005153</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><a href="//oeis.org/A206026" class="extiw" title="oeis:A206026">A206026</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><a href="//oeis.org/A033950" class="extiw" title="oeis:A033950">A033950</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text"><a href="//oeis.org/A049445" class="extiw" title="oeis:A049445">A049445</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text"><a href="//oeis.org/A245802" class="extiw" title="oeis:A245802">A245802</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><a href="//oeis.org/A029952" class="extiw" title="oeis:A029952">A029952</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><a href="#cite_ref-9">↑</a></span> <span class="reference-text"><a href="//oeis.org/A002858" class="extiw" title="oeis:A002858">A002858</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><a href="#cite_ref-10">↑</a></span> <span class="reference-text">David Wells: <i>The Penguin Dictionary of Curious and Interesting Numbers</i></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><a href="#cite_ref-11">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://gist.github.com/qalle2/8d0a830a4470c05cd61363e399e21044">The fifth power of 72</a> – GitHub Gist <span style="font-size: 0.95em; position: relative;">(englanniksi)</span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><a href="#cite_ref-12">↑</a></span> <span class="reference-text"><a href="//oeis.org/A002378" class="extiw" title="oeis:A002378">A002378</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><a href="#cite_ref-13">↑</a></span> <span class="reference-text"><a href="//oeis.org/A024670" class="extiw" title="oeis:A024670">A024670</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><a href="#cite_ref-14">↑</a></span> <span class="reference-text"><a href="//oeis.org/A034963" class="extiw" title="oeis:A034963">A034963</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><a href="#cite_ref-15">↑</a></span> <span class="reference-text"><a href="//oeis.org/A127333" class="extiw" title="oeis:A127333">A127333</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><a href="#cite_ref-16">↑</a></span> <span class="reference-text"><a href="//oeis.org/A014574" class="extiw" title="oeis:A014574">A014574</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><a href="#cite_ref-17">↑</a></span> <span class="reference-text"><a href="//oeis.org/A000040" class="extiw" title="oeis:A000040">A000040</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><a href="#cite_ref-18">↑</a></span> <span class="reference-text"><a href="//oeis.org/A075190" class="extiw" title="oeis:A075190">A075190</a> <a href="/wiki/OEIS" class="mw-redirect" title="OEIS">OEIS</a>-tietokannassa</span> </li> </ol> </div></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="">Noudettu kohteesta ”<a dir="ltr" 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