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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logga in</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"> Sidor för utloggade redigerare <a href="/wiki/Hj%C3%A4lp:Introduktion" aria-label="Läs mer om redigering"><span>läs mer</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:Mina_bidrag" title="En lista över redigeringar från denna IP-adress [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:Min_diskussion" title="Diskussion om redigeringar från det här IP-numret [n]" accesskey="n"><span>Diskussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> 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class="vector-toc-numb">2</span> <span>Tillämpningar</span> </div> </a> <ul id="toc-Tillämpningar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Se_även" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_även"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Se även</span> </div> </a> <ul id="toc-Se_även-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Källor" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Källor"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Källor</span> </div> </a> <ul id="toc-Källor-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externa_länkar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externa_länkar"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Externa länkar</span> </div> </a> <ul id="toc-Externa_länkar-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="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Innehållsförteckning" > <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="Växla innehållsförteckningen" > <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">Växla innehållsförteckningen</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">Semiprimtal</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="Gå till en artikel på ett annat språk. Tillgänglig på 32 språk" > <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-32" 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">32 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D9%86%D8%B5%D9%81_%D8%A3%D9%88%D9%84%D9%8A" title="عدد نصف أولي – arabiska" lang="ar" hreflang="ar" data-title="عدد نصف أولي" data-language-autonym="العربية" data-language-local-name="arabiska" 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/%D4%BF%D5%AB%D5%BD%D5%A1%D5%BA%D5%A1%D6%80%D5%A6_%D5%A9%D5%AB%D6%82" title="Կիսապարզ թիւ – Western Armenian" lang="hyw" hreflang="hyw" data-title="Կիսապարզ 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-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Nombre_semiprimer" title="Nombre semiprimer – katalanska" lang="ca" hreflang="ca" data-title="Nombre semiprimer" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Poloprvo%C4%8D%C3%ADslo" title="Poloprvočíslo – tjeckiska" lang="cs" hreflang="cs" data-title="Poloprvočíslo" data-language-autonym="Čeština" data-language-local-name="tjeckiska" 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/Semiprimtal" title="Semiprimtal – danska" lang="da" hreflang="da" data-title="Semiprimtal" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/Semiprimzahl" title="Semiprimzahl – tyska" lang="de" hreflang="de" data-title="Semiprimzahl" data-language-autonym="Deutsch" data-language-local-name="tyska" 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%97%CE%BC%CE%B9%CF%80%CF%81%CF%8E%CF%84%CE%BF%CE%B9_%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CE%BF%CE%AF" title="Ημιπρώτοι αριθμοί – grekiska" lang="el" hreflang="el" data-title="Ημιπρώτοι αριθμοί" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Semiprime" title="Semiprime – engelska" lang="en" hreflang="en" data-title="Semiprime" data-language-autonym="English" data-language-local-name="engelska" 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/N%C3%BAmero_semiprimo" title="Número semiprimo – spanska" lang="es" hreflang="es" data-title="Número semiprimo" data-language-autonym="Español" data-language-local-name="spanska" 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/Duonprimo" title="Duonprimo – esperanto" lang="eo" hreflang="eo" data-title="Duonprimo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Nombre_semi-premier" title="Nombre semi-premier – franska" lang="fr" hreflang="fr" data-title="Nombre semi-premier" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B0%98%EC%86%8C%EC%88%98" title="반소수 – koreanska" lang="ko" hreflang="ko" data-title="반소수" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BF%D5%AB%D5%BD%D5%A1%D5%BA%D5%A1%D6%80%D5%A6_%D5%A9%D5%AB%D5%BE" title="Կիսապարզ թիվ – armeniska" lang="hy" hreflang="hy" data-title="Կիսապարզ թիվ" data-language-autonym="Հայերեն" data-language-local-name="armeniska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Numero_semiprimo" title="Numero semiprimo – italienska" lang="it" hreflang="it" data-title="Numero semiprimo" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/F%C3%A9lpr%C3%ADmek" title="Félprímek – ungerska" lang="hu" hreflang="hu" data-title="Félprímek" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%85%E0%A4%B0%E0%A5%8D%E0%A4%A7-%E0%A4%AE%E0%A5%82%E0%A4%B3%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="अर्ध-मूळसंख्या – marathi" lang="mr" hreflang="mr" data-title="अर्ध-मूळसंख्या" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Semipriemgetal" title="Semipriemgetal – nederländska" lang="nl" hreflang="nl" data-title="Semipriemgetal" data-language-autonym="Nederlands" data-language-local-name="nederländska" 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/%E5%8D%8A%E7%B4%A0%E6%95%B0" title="半素数 – japanska" lang="ja" hreflang="ja" data-title="半素数" 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-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Liczby_p%C3%B3%C5%82pierwsze" title="Liczby półpierwsze – polska" lang="pl" hreflang="pl" data-title="Liczby półpierwsze" data-language-autonym="Polski" data-language-local-name="polska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/N%C3%BAmero_semiprimo" title="Número semiprimo – portugisiska" lang="pt" hreflang="pt" data-title="Número semiprimo" data-language-autonym="Português" data-language-local-name="portugisiska" 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/Semiprim" title="Semiprim – rumänska" lang="ro" hreflang="ro" data-title="Semiprim" data-language-autonym="Română" data-language-local-name="rumänska" 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%9F%D0%BE%D0%BB%D1%83%D0%BF%D1%80%D0%BE%D1%81%D1%82%D0%BE%D0%B5_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" title="Полупростое число – ryska" lang="ru" hreflang="ru" data-title="Полупростое число" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Semiprime_number" title="Semiprime number – Simple English" lang="en-simple" hreflang="en-simple" data-title="Semiprime 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/Polpra%C5%A1tevilo" title="Polpraštevilo – slovenska" lang="sl" hreflang="sl" data-title="Polpraštevilo" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D0%BE%D0%BB%D1%83%D0%BF%D1%80%D0%BE%D1%81%D1%82_%D0%B1%D1%80%D0%BE%D1%98" title="Полупрост број – serbiska" lang="sr" hreflang="sr" data-title="Полупрост број" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Puolialkuluku" title="Puolialkuluku – finska" lang="fi" hreflang="fi" data-title="Puolialkuluku" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%B0%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%95%E0%AE%BE%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%A9%E0%AE%BF" title="அரைப்பகாத்தனி – tamil" lang="ta" hreflang="ta" data-title="அரைப்பகாத்தனி" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Yar%C4%B1_asal" title="Yarı asal – turkiska" lang="tr" hreflang="tr" data-title="Yarı asal" data-language-autonym="Türkçe" data-language-local-name="turkiska" 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/%D0%9D%D0%B0%D0%BF%D1%96%D0%B2%D0%BF%D1%80%D0%BE%D1%81%D1%82%D0%B5_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" title="Напівпросте число – ukrainska" lang="uk" hreflang="uk" data-title="Напівпросте число" data-language-autonym="Українська" data-language-local-name="ukrainska" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/S%E1%BB%91_n%E1%BB%ADa_nguy%C3%AAn_t%E1%BB%91" title="Số nửa nguyên tố – vietnamesiska" lang="vi" hreflang="vi" data-title="Số nửa nguyên tố" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%8D%8A%E8%B3%AA%E6%95%B8" title="半質數 – kantonesiska" lang="yue" hreflang="yue" data-title="半質數" data-language-autonym="粵語" data-language-local-name="kantonesiska" 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/%E5%8D%8A%E7%B4%A0%E6%95%B0" title="半素数 – kinesiska" lang="zh" hreflang="zh" data-title="半素数" data-language-autonym="中文" data-language-local-name="kinesiska" 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/Q765289#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</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="Namnrymder"> <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/Semiprimtal" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Diskussion:Semiprimtal" rel="discussion" title="Diskussion om innehållssidan [t]" accesskey="t"><span>Diskussion</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="Ändra språkvariant" > <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">svenska</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div 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title="Matematik">matematiken</a> ett <a href="/wiki/Naturliga_tal" title="Naturliga tal">naturligt tal</a> som är produkten av två (inte nödvändigtvis olika) <a href="/wiki/Primtal" title="Primtal">primtal</a>. </p><p>De första semiprimtalen är: </p> <dl><dd><a href="/wiki/4_(tal)" title="4 (tal)">4</a>, <a href="/wiki/6_(tal)" title="6 (tal)">6</a>, <a href="/wiki/9_(tal)" title="9 (tal)">9</a>, <a href="/wiki/10_(tal)" title="10 (tal)">10</a>, <a href="/wiki/14_(tal)" title="14 (tal)">14</a>, <a href="/wiki/15_(tal)" title="15 (tal)">15</a>, <a href="/wiki/21_(tal)" title="21 (tal)">21</a>, <a href="/wiki/22_(tal)" title="22 (tal)">22</a>, <a href="/wiki/25_(tal)" title="25 (tal)">25</a>, <a href="/wiki/26_(tal)" title="26 (tal)">26</a>, <a href="/wiki/33_(tal)" title="33 (tal)">33</a>, <a href="/wiki/34_(tal)" title="34 (tal)">34</a>, <a href="/wiki/35_(tal)" title="35 (tal)">35</a>, <a href="/wiki/38_(tal)" title="38 (tal)">38</a>, <a href="/wiki/39_(tal)" title="39 (tal)">39</a>, <a href="/wiki/46_(tal)" title="46 (tal)">46</a>, <a href="/wiki/49_(tal)" title="49 (tal)">49</a>, <a href="/wiki/51_(tal)" title="51 (tal)">51</a>, <a href="/wiki/55_(tal)" title="55 (tal)">55</a>, <a href="/wiki/57_(tal)" title="57 (tal)">57</a>, <a href="/wiki/58_(tal)" title="58 (tal)">58</a>, <a href="/wiki/62_(tal)" title="62 (tal)">62</a>, <a href="/wiki/65_(tal)" title="65 (tal)">65</a>, <a href="/wiki/69_(tal)" title="69 (tal)">69</a>, <a href="/wiki/74_(tal)" title="74 (tal)">74</a>, <a href="/wiki/77_(tal)" title="77 (tal)">77</a>, <a href="/wiki/82_(tal)" title="82 (tal)">82</a>, <a href="/wiki/85_(tal)" title="85 (tal)">85</a>, <a href="/wiki/86_(tal)" title="86 (tal)">86</a>, <a href="/wiki/87_(tal)" title="87 (tal)">87</a>, <a href="/wiki/91_(tal)" title="91 (tal)">91</a>, <a href="/wiki/93_(tal)" title="93 (tal)">93</a>, <a href="/wiki/94_(tal)" title="94 (tal)">94</a>, <a href="/wiki/95_(tal)" title="95 (tal)">95</a>, <a href="/wiki/106_(tal)" title="106 (tal)">106</a>, <a href="/wiki/111_(tal)" title="111 (tal)">111</a>, <a href="/wiki/115_(tal)" title="115 (tal)">115</a>, <a href="/wiki/118_(tal)" title="118 (tal)">118</a>, <a href="/wiki/119_(tal)" title="119 (tal)">119</a>, <a href="/wiki/121_(tal)" title="121 (tal)">121</a>, <a href="/wiki/122_(tal)" title="122 (tal)">122</a>, <a href="/wiki/123_(tal)" title="123 (tal)">123</a>, <a href="/wiki/129_(tal)" title="129 (tal)">129</a>, <a href="/wiki/133_(tal)" title="133 (tal)">133</a>, <a href="/wiki/134_(tal)" title="134 (tal)">134</a>, <a href="/wiki/141_(tal)" title="141 (tal)">141</a>, <a href="/wiki/142_(tal)" title="142 (tal)">142</a>, <a href="/wiki/143_(tal)" title="143 (tal)">143</a>, <a href="/wiki/145_(tal)" title="145 (tal)">145</a>, <a href="/wiki/146_(tal)" title="146 (tal)">146</a>, <a href="/wiki/155_(tal)" title="155 (tal)">155</a>, <a href="/wiki/158_(tal)" title="158 (tal)">158</a>, <a href="/wiki/159_(tal)" title="159 (tal)">159</a>, <a href="/wiki/161_(tal)" title="161 (tal)">161</a>, <a href="/wiki/166_(tal)" title="166 (tal)">166</a>, <a href="/wiki/169_(tal)" title="169 (tal)">169</a>, <a href="/wiki/177_(tal)" title="177 (tal)">177</a>, <a href="/wiki/178_(tal)" title="178 (tal)">178</a>, <a href="/wiki/183_(tal)" title="183 (tal)">183</a>, <a href="/wiki/185_(tal)" title="185 (tal)">185</a>, <a href="/wiki/187_(tal)" title="187 (tal)">187</a>, … (talföljd <a href="//oeis.org/A001358" class="extiw" title="oeis:A001358">A001358</a> i <a href="/wiki/N%C3%A4tuppslagsverket_%C3%B6ver_heltalsf%C3%B6ljder" title="Nätuppslagsverket över heltalsföljder">OEIS</a>)</dd></dl> <p>Semiprimtal som inte utgör <a href="/wiki/Kvadrat_(aritmetik)" title="Kvadrat (aritmetik)">perfekta kvadrater</a> kallas för <b>diskreta semiprimtal</b> eller <b>distinkta semiprimtal</b>. </p><p>Sedan januari 2016 är det största kända distinkta semiprimtalet (2<sup>74207281</sup> − 1) × (2<sup>57885161</sup> − 1), det vill säga produkten av de två <a href="/wiki/St%C3%B6rsta_k%C3%A4nda_primtal" class="mw-redirect" title="Största kända primtal">största kända primtalen</a>. </p><p>Sedan denna tidpunkt är (2<sup>74207281</sup> − 1)<sup>2</sup> det största kända semiprimtalet. </p><p>Om det största kända primtalet är <i>a</i> och det näst största kända primtalet är <i>b</i>, så är <i>a</i> x <i>b</i> det största kända distinkta semiprimtalet och <i>a</i> x <i>a</i> det största kända semiprimtalet. </p><p>Semiprimtal har aldrig några sammansatta faktorer än sig själva. Till exempel är talet 26 semiprital eftersom dess enda faktorer är 1, 2, 13, och 26. I själva verket finns det inga tal som är produkten av två primtal som har några sammansatta faktorer. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Egenskaper">Egenskaper</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semiprimtal&veaction=edit&section=1" title="Redigera avsnitt: Egenskaper" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Semiprimtal&action=edit&section=1" title="Redigera avsnitts källkod: Egenskaper"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Det totala antalet <a href="/wiki/Primtalsfaktor" title="Primtalsfaktor">primtalsfaktorer</a> Ω(<i>n</i>) för ett semiprimtal <i>n</i> är två, per definition. Ett semiprimtal är antingen en kvadrat av ett primtal eller ett <a href="/wiki/Kvadratfritt_tal" title="Kvadratfritt tal">kvadratfritt tal</a>. Kvadraten av alla primtal är ett semiprimtal, så det största kända semiprimtalet kommer alltid att vara kvadraten på det <a href="/wiki/St%C3%B6rsta_k%C3%A4nda_primtalet" class="mw-redirect" title="Största kända primtalet">största kända primtalet</a>, såvida faktorerna i det semiprimtalet inte är kända. Det är tänkbart att en väg kunde hittas för att bevisa ett större tal som är ett semiprimtal utan att känna till de två faktorerna.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Ett <a href="/wiki/Sammansatt_tal" title="Sammansatt tal">sammansatt tal</a> <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 n}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a601995d55609f2d9f5e233e36fbe9ea26011b3b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.395ex; height:1.676ex;" alt="{\displaystyle n}" /></span> som är icke-delbart med primtal <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 \leq {\sqrt[{3}]{n}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>≤</mo> <mrow class="MJX-TeXAtom-ORD"> <mroot> <mi>n</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </mroot> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \leq {\sqrt[{3}]{n}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e041f1c4a4d3e728ff592ea93ae73e5761ecd7d9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:5.784ex; height:3.009ex;" alt="{\displaystyle \leq {\sqrt[{3}]{n}}}" /></span> är ett semiprimtal. Olika metoder, såsom elliptiska pseudokurvor och Goldwasser-Kilians ECPP-sats har använts för att skapa bevisbara, ofaktoriserade semiprimtal med hundratals siffror.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> Dessa anses vara noveltyer, eftersom deras konstruktionsmetod kan visa sig responsiv för faktorisering, och eftersom det är enklare att multiplicera två primtal tillsammans. </p><p>För ett semiprimtal <i>n</i> = <i>pq</i> är värdet av <a href="/wiki/Eulers_fi-funktion" title="Eulers fi-funktion">Eulers fi-funktion</a> (antalet positiva heltal mindre än eller lika med <i>n</i> som är <a href="/wiki/Relativt_prima" title="Relativt prima">relativt prima</a> med <i>n</i>) synnerligen enkelt när <i>p</i> och <i>q</i> är distinkta: </p> <dl><dd>φ(<i>n</i>) = (<i>p</i> − 1) (<i>q</i> − 1) = <i>p</i> <i>q</i> − (<i>p</i> + <i>q</i>) + 1 = <i>n</i> − (<i>p</i> + <i>q</i>) + 1.</dd></dl> <p>Om annars <i>p</i> och <i>q</i> är sanna, </p> <dl><dd>φ(<i>n</i>) = φ(<i>p</i><sup>2</sup>) = (<i>p</i> − 1) <i>p</i> = <i>p</i><sup>2</sup> − <i>p</i> = <i>n</i> − <i>p</i>.</dd></dl> <p>Konceptet för <a href="/w/index.php?title=Prima_zeta-funktionen&action=edit&redlink=1" class="new" title="Prima zeta-funktionen [inte skriven än]">prima zeta-funktionen</a> kan anpassas till semiprimtal, som definierar konstanter som </p> <dl><dd><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 \sum _{\Omega (n)=2}{\frac {1}{n^{2}}}\approx 0.1407604}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <munder> <mo>∑</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">Ω</mi> <mo stretchy="false">(</mo> <mi>n</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mn>2</mn> </mrow> </munder> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <msup> <mi>n</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mfrac> </mrow> <mo>≈</mo> <mn>0.1407604</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \sum _{\Omega (n)=2}{\frac {1}{n^{2}}}\approx 0.1407604}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4674cf1f7586c538d6c6a59ec4a5ab09a53f9306" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.505ex; width:22.27ex; height:6.843ex;" alt="{\displaystyle \sum _{\Omega (n)=2}{\frac {1}{n^{2}}}\approx 0.1407604}" /></span> (talföljd <a href="//oeis.org/A117543" class="extiw" title="oeis:A117543">A117543</a> i <a href="/wiki/N%C3%A4tuppslagsverket_%C3%B6ver_heltalsf%C3%B6ljder" title="Nätuppslagsverket över heltalsföljder">OEIS</a>)</dd> <dd><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 \sum _{\Omega (n)=2}{\frac {1}{n(n-1)}}\approx 0.17105}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <munder> <mo>∑</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">Ω</mi> <mo stretchy="false">(</mo> <mi>n</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mn>2</mn> </mrow> </munder> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mrow> <mi>n</mi> <mo stretchy="false">(</mo> <mi>n</mi> <mo>−</mo> <mn>1</mn> <mo stretchy="false">)</mo> </mrow> </mfrac> </mrow> <mo>≈</mo> <mn>0.17105</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \sum _{\Omega (n)=2}{\frac {1}{n(n-1)}}\approx 0.17105}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/13bcb8bedf58c3bbacacef46b4bece7ac75f66d8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.505ex; width:26.098ex; height:6.843ex;" alt="{\displaystyle \sum _{\Omega (n)=2}{\frac {1}{n(n-1)}}\approx 0.17105}" /></span> (talföljd <a href="//oeis.org/A152447" class="extiw" title="oeis:A152447">A152447</a> i <a href="/wiki/N%C3%A4tuppslagsverket_%C3%B6ver_heltalsf%C3%B6ljder" title="Nätuppslagsverket över heltalsföljder">OEIS</a>)</dd> <dd><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 \sum _{\Omega (n)=2}{\frac {\ln n}{n^{2}}}\approx 0.28360}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <munder> <mo>∑</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">Ω</mi> <mo stretchy="false">(</mo> <mi>n</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mn>2</mn> </mrow> </munder> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>ln</mi> <mo>⁡</mo> <mi>n</mi> </mrow> <msup> <mi>n</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mfrac> </mrow> <mo>≈</mo> <mn>0.28360</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \sum _{\Omega (n)=2}{\frac {\ln n}{n^{2}}}\approx 0.28360}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/78492e142cb0ad5c55d65dc4fa0cc23064539c09" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.505ex; width:21.217ex; height:7.009ex;" alt="{\displaystyle \sum _{\Omega (n)=2}{\frac {\ln n}{n^{2}}}\approx 0.28360}" /></span> (talföljd <a href="//oeis.org/A154928" class="extiw" title="oeis:A154928">A154928</a> i <a href="/wiki/N%C3%A4tuppslagsverket_%C3%B6ver_heltalsf%C3%B6ljder" title="Nätuppslagsverket över heltalsföljder">OEIS</a>)</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Tillämpningar"><span id="Till.C3.A4mpningar"></span>Tillämpningar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semiprimtal&veaction=edit&section=2" title="Redigera avsnitt: Tillämpningar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Semiprimtal&action=edit&section=2" title="Redigera avsnitts källkod: Tillämpningar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Semiprimtal är mycket användbara inom <a href="/wiki/Kryptografi" title="Kryptografi">kryptografi</a> och <a href="/wiki/Talteori" title="Talteori">talteori</a>, framförallt i <a href="/wiki/Asymmetrisk_kryptering" title="Asymmetrisk kryptering">asymmetrisk kryptering</a>, där de används av <a href="/wiki/RSA" title="RSA">RSA</a> och <a href="/wiki/Pseudoslumptalsgenerator" title="Pseudoslumptalsgenerator">pseudoslumptalsgeneratorer</a> som <a href="/wiki/Blum_Blum_Shub" title="Blum Blum Shub">Blum Blum Shub</a>. Dessa metoder grundar sig på faktumet att det är beräkningsmässigt enkelt att hitta två stora primtal och multiplicera dem tillsammans (vilket resulterar i ett semiprimtal), men mycket svårare att hitta de ursprungliga primtalsfaktorerna. I <a href="/w/index.php?title=RSA_Factoring_Challenge&action=edit&redlink=1" class="new" title="RSA Factoring Challenge [inte skriven än]">RSA Factoring Challenge</a> erbjöd <a href="/wiki/RSA_Security" title="RSA Security">RSA Security</a> priser för faktorisering av specifika stora semiprimtal och flera priser utdelades.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>I praktiskt kryptering är det inte tillräckligt att enbart hitta ett stort semiprimtal; ett bra semiprimtal måste undvika ett <a href="/wiki/Primtalsfaktorisering" title="Primtalsfaktorisering">antal välkända algoritmer för speciella ändamål</a> som kan faktorisera tal av vissa former. Faktorerna <i>p</i> och <i>q</i> av <i>n</i> bör båda vara mycket stora, runt samma storleksordning som kvadratroten av <i>n</i>. Detta gör <a href="/w/index.php?title=Trialdivision&action=edit&redlink=1" class="new" title="Trialdivision [inte skriven än]">trialdivision</a> och <a href="/w/index.php?title=Pollards_rho-algoritm&action=edit&redlink=1" class="new" title="Pollards rho-algoritm [inte skriven än]">Pollards rho-algoritm</a> mycket opraktiska. Samtidigt bör inte faktorerna vara för nära varandra, annars kan talet snabbt faktoriseras med <a href="/w/index.php?title=Fermats_faktoriseringsmetod&action=edit&redlink=1" class="new" title="Fermats faktoriseringsmetod [inte skriven än]">Fermats faktoriseringsmetod</a>. Dessutom bör <i>p</i> − 1, <i>p</i> + 1, <i>q</i> − 1 och <i>q</i> + 1 inte vara <a href="/w/index.php?title=Sl%C3%A4tt_tal&action=edit&redlink=1" class="new" title="Slätt tal [inte skriven än]">släta tal</a>, vilket skyddar mot <a href="/w/index.php?title=Pollards_p_%E2%88%92_1-algoritm&action=edit&redlink=1" class="new" title="Pollards p − 1-algoritm [inte skriven än]">Pollards <i>p</i> − 1-algoritm</a> och <a href="/w/index.php?title=Williams_p_%2B_1-algoritm&action=edit&redlink=1" class="new" title="Williams p + 1-algoritm [inte skriven än]">Williams <i>p</i> + 1-algoritm</a>. Dock tar inte dessa kontroller hänsyn till framtida eller hemliga algoritmer. </p><p>År 1974 skickades <a href="/wiki/Arecibomeddelandet" title="Arecibomeddelandet">Arecibomeddelandet</a> med en radiosignal till en stjärnhop. Det bestod av 1679 binära tal som är avsedda att tolkas som en 23 × 73-bitmappsbild. Talet 1679 = 23 × 73 valdes eftersom det är en semiprimtal och därför endast kan delas upp i 23 rader och 73 kolumner, eller 73 rader och 23 kolumner. </p> <div class="mw-heading mw-heading2"><h2 id="Se_även"><span id="Se_.C3.A4ven"></span>Se även</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semiprimtal&veaction=edit&section=3" title="Redigera avsnitt: Se även" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Semiprimtal&action=edit&section=3" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Chens_sats" title="Chens sats">Chens sats</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Källor"><span id="K.C3.A4llor"></span>Källor</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semiprimtal&veaction=edit&section=4" title="Redigera avsnitt: Källor" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Semiprimtal&action=edit&section=4" title="Redigera avsnitts källkod: Källor"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li></ul> <dl><dd><span class="plainlinks"><i>Den här artikeln är helt eller delvis baserad på material från <a href="/wiki/Engelskspr%C3%A5kiga_Wikipedia" title="Engelskspråkiga Wikipedia">engelskspråkiga Wikipedia</a>, <a class="external text" href="https://en.wikipedia.org/wiki/Semiprime">Semiprime</a>, <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Semiprime&oldid=571442776">30 oktober 2013</a>.</i></span></dd></dl> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <span class="reference-text">Chris Caldwell, <a rel="nofollow" class="external text" href="http://primes.utm.edu/glossary/page.php?sort=Semiprime"><i>The Prime Glossary: semiprime</i></a> at The <a href="/w/index.php?title=Prime_Pages&action=edit&redlink=1" class="new" title="Prime Pages [inte skriven än]">Prime Pages</a>. Retrieved on 2013-09-04.</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFBroadhurst2025">Broadhurst, David (12 mars 2005). <a rel="nofollow" class="external text" href="http://physics.open.ac.uk/~dbroadhu/cert/semgpch.gp">”To prove that N is a semiprime”</a> (på engelska)<span class="printonly">. <a rel="nofollow" class="external free" href="http://physics.open.ac.uk/~dbroadhu/cert/semgpch.gp">http://physics.open.ac.uk/~dbroadhu/cert/semgpch.gp</a></span><span class="reference-accessdate">. Läst 4 september 2013</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=To+prove+that+N+is+a+semiprime&rft.atitle=&rft.aulast=Broadhurst&rft.aufirst=David&rft.au=Broadhurst%2C+David&rft.date=12+mars+2005&rft_id=http%3A%2F%2Fphysics.open.ac.uk%2F%7Edbroadhu%2Fcert%2Fsemgpch.gp&rfr_id=info:sid/en.wikipedia.org:Semiprimtal"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-3"><a href="#cite_ref-3">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20130507091636/http://www.rsa.com/rsalabs/node.asp?id=2092">”Information Security, Governance, Risk, and Compliance - EMC”</a> (på engelska). RSA. Arkiverad från <a rel="nofollow" class="external text" href="http://www.rsa.com/rsalabs/node.asp?id=2092">originalet</a> den 7 maj 2013<span class="printonly">. <a rel="nofollow" class="external free" href="https://web.archive.org/web/20130507091636/http://www.rsa.com/rsalabs/node.asp?id=2092">https://web.archive.org/web/20130507091636/http://www.rsa.com/rsalabs/node.asp?id=2092</a></span><span class="reference-accessdate">. Läst 11 maj 2014</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Information+Security%2C+Governance%2C+Risk%2C+and+Compliance+-+EMC&rft.atitle=&rft.pub=RSA&rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20130507091636%2Fhttp%3A%2F%2Fwww.rsa.com%2Frsalabs%2Fnode.asp%3Fid%3D2092&rfr_id=info:sid/en.wikipedia.org:Semiprimtal"><span style="display: none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Externa_länkar"><span id="Externa_l.C3.A4nkar"></span>Externa länkar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Semiprimtal&veaction=edit&section=5" title="Redigera avsnitt: Externa länkar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Semiprimtal&action=edit&section=5" title="Redigera avsnitts källkod: Externa länkar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="citation mathworld" id="Reference-Mathworld-Semiprime"><a href="/wiki/Eric_W._Weisstein" title="Eric W. Weisstein">Weisstein, Eric W.</a>, "<a rel="nofollow" class="external text" href="http://mathworld.wolfram.com/Semiprime.html">Semiprime</a>", <i><a href="/wiki/Mathworld" title="Mathworld">MathWorld</a></i>. <span style="font-size:.95em;font-weight:bold;color:var(--color-subtle, #54595d);">(engelska)</span></span></li></ul> <style data-mw-deduplicate="TemplateStyles:r56287950">.mw-parser-output table.navbox{border:#aaa 1px solid;width:100%;margin:auto;margin-top:1em;clear:both;font-size:88%;text-align:center;padding:1px}.mw-parser-output link+table.navbox{margin-top:-1px}.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow,.mw-parser-output table.navbox th{text-align:center;padding-left:1em;padding-right:1em}.mw-parser-output .navbox-thlinkcolor .navbox-title button,.mw-parser-output .navbox-thlinkcolor .navbox-title .mw-collapsible-text,.mw-parser-output .navbox-thlinkcolor .navbox-title a{color:inherit}.mw-parser-output .nowraplinks a,.mw-parser-output .nowraplinks .selflink{white-space:nowrap}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right;font-weight:bold;padding-left:1em;padding-right:1em}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background:#fdfdfd}.mw-parser-output .navbox-list{border-color:#fdfdfd}.mw-parser-output .navbox-title,.mw-parser-output table.navbox th{background:#b0c4de}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background:#d0e0f5}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background:#deeafa}.mw-parser-output .navbox-even{background:#f7f7f7}.mw-parser-output .navbox-odd{background:transparent}</style><table class="navbox" style="border-spacing:0; ;"><tbody><tr><td style="padding:2px;"><table class="navbox-inner collapsible collapsed" style="width:100%;border-spacing:0;background:transparent;color:inherit;;"><tbody><tr><th style=";" colspan="2" class="navbox-title"><div style="float:left; width:3em;text-align:left;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:Primtal" title="Mall:Primtal"><span title="Visa denna mall" style="border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Primtal&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Primtal" title="Primtal">Primtal</a></span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;">Efter formel</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Fermatprimtal" title="Fermatprimtal">Fermat</a> (2<sup>2<sup><i>n</i></sup></sup> + 1)<span style="font-weight:bold;"> · </span> <a href="/wiki/Mersenneprimtal" title="Mersenneprimtal">Mersenne</a> (2<sup><i>p</i></sup> − 1)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Dubbelt_Mersenneprimtal&action=edit&redlink=1" class="new" title="Dubbelt Mersenneprimtal [inte skriven än]">Dubbelt Mersenne</a> (2<sup>2<sup><i>p</i></sup>−1</sup> − 1)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Wagstaffprimtal&action=edit&redlink=1" class="new" title="Wagstaffprimtal [inte skriven än]">Wagstaff</a> (2<sup><i>p</i></sup> + 1)/3<span style="font-weight:bold;"> · </span> <a href="/wiki/Prothprimtal" title="Prothprimtal">Proth</a> (<i>k</i>·2<sup><i>n</i></sup> + 1)<span style="font-weight:bold;"> · </span> <a href="/wiki/Fakultetsprimtal" title="Fakultetsprimtal">Fakultetsprimtal</a> (<i>n</i>! ± 1)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Primfakultetsprimtal&action=edit&redlink=1" class="new" title="Primfakultetsprimtal [inte skriven än]">Primfakultetsprimtal</a> (<i>p<sub>n</sub></i># ± 1)<span style="font-weight:bold;"> · </span> <a href="/wiki/Euklidestal" title="Euklidestal">Euklides</a> (<i>p<sub>n</sub></i># + 1)<span style="font-weight:bold;"> · </span> <a href="/wiki/Pythagoreiska_primtal" title="Pythagoreiska primtal">Pythagoras</a> (4<i>n</i> + 1)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Pierpontprimtal&action=edit&redlink=1" class="new" title="Pierpontprimtal [inte skriven än]">Pierpont</a> (2<sup><i>u</i></sup>·3<sup><i>v</i></sup> + 1)<span style="font-weight:bold;"> · </span> <a href="/wiki/Solinasprimtal" title="Solinasprimtal">Solinas</a> (2<sup><i>a</i></sup> ± 2<sup><i>b</i></sup> ± 1)<span style="font-weight:bold;"> · </span> <a href="/wiki/Cullenprimtal" class="mw-redirect" title="Cullenprimtal">Cullen</a> (<i>n</i>·2<sup><i>n</i></sup> + 1)<span style="font-weight:bold;"> · </span> <a href="/wiki/Woodallprimtal" class="mw-redirect" title="Woodallprimtal">Woodall</a> (<i>n</i>·2<sup><i>n</i></sup> − 1)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Cubanprimtal&action=edit&redlink=1" class="new" title="Cubanprimtal [inte skriven än]">Cuban</a> (<i>x</i><sup>3</sup> − <i>y</i><sup>3</sup>)/(<i>x</i> − <i>y</i>)<span style="font-weight:bold;"> · </span> <a href="/wiki/Carolprimtal" class="mw-redirect" title="Carolprimtal">Carol</a> (2<sup><i>n</i></sup> − 1)<sup>2</sup> − 2)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Kyneaprimtal&action=edit&redlink=1" class="new" title="Kyneaprimtal [inte skriven än]">Kynea</a> (2<sup><i>n</i></sup> + 1)<sup>2</sup> − 2<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Leylandprimtal&action=edit&redlink=1" class="new" title="Leylandprimtal [inte skriven än]">Leyland</a> (<i>x<sup>y</sup></i> + <i>y<sup>x</sup></i>)<span style="font-weight:bold;"> · </span> <a href="/wiki/Thabitprimtal" class="mw-redirect" title="Thabitprimtal">Thabit</a> (3·2<sup><i>n</i></sup> − 1)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Mills_konstant&action=edit&redlink=1" class="new" title="Mills konstant [inte skriven än]">Mills</a> (floor(<i>A</i><sup>3<sup><i>n</i></sup></sup>))</div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Efter heltalsföljder</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Fibonacciprimtal" class="mw-redirect" title="Fibonacciprimtal">Fibonacci</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Lucasprimtal&action=edit&redlink=1" class="new" title="Lucasprimtal [inte skriven än]">Lucas</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Motzkinprimtal&action=edit&redlink=1" class="new" title="Motzkinprimtal [inte skriven än]">Motzkin</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Bellprimtal&action=edit&redlink=1" class="new" title="Bellprimtal [inte skriven än]">Bell</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Heltalspartition" title="Heltalspartition">Partitioner</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Pellprimtal&action=edit&redlink=1" class="new" title="Pellprimtal [inte skriven än]">Pell</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Perrinprimtal&action=edit&redlink=1" class="new" title="Perrinprimtal [inte skriven än]">Perrin</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Newman%E2%80%93Shanks%E2%80%93Williams-primtal&action=edit&redlink=1" class="new" title="Newman–Shanks–Williams-primtal [inte skriven än]">Newman–Shanks–Williams</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Efter egenskap</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Lyckoprimtal" class="mw-redirect" title="Lyckoprimtal">Lyckoprimtal</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Wall%E2%80%93Sun%E2%80%93Sun-primtal&action=edit&redlink=1" class="new" title="Wall–Sun–Sun-primtal [inte skriven än]">Wall–Sun–Sun</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Wilsonprimtal" title="Wilsonprimtal">Wilson</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Wieferichprimtal" title="Wieferichprimtal">Wieferich</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Wieferichpar&action=edit&redlink=1" class="new" title="Wieferichpar [inte skriven än]">Wieferichpar</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Gynnsamt_primtal&action=edit&redlink=1" class="new" title="Gynnsamt primtal [inte skriven än]">Gynnsamt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Ramanujanprimtal&action=edit&redlink=1" class="new" title="Ramanujanprimtal [inte skriven än]">Ramanujan</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Pillaiprimtal" title="Pillaiprimtal">Pillai</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Regelbundet_primtal&action=edit&redlink=1" class="new" title="Regelbundet primtal [inte skriven än]">Regelbundet</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Starkt_primtal&action=edit&redlink=1" class="new" title="Starkt primtal [inte skriven än]">Starkt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Sternprimtal&action=edit&redlink=1" class="new" title="Sternprimtal [inte skriven än]">Stern</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Supersingul%C3%A4rt_primtal_(f%C3%B6r_en_elliptisk_kurva)&action=edit&redlink=1" class="new" title="Supersingulärt primtal (för en elliptisk kurva) [inte skriven än]">Supersingulärt primtal (för en elliptisk kurva)</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Supersingul%C3%A4rt_primtal_(moonshineteori)&action=edit&redlink=1" class="new" title="Supersingulärt primtal (moonshineteori) [inte skriven än]">Supersingulärt primtal (moonshineteori)</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Wolstenholmeprimtal&action=edit&redlink=1" class="new" title="Wolstenholmeprimtal [inte skriven än]">Wolstenholme</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Goda_primtal&action=edit&redlink=1" class="new" title="Goda primtal [inte skriven än]">Goda</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Superprimtal" title="Superprimtal">Superprimtal</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Higgsprimtal&action=edit&redlink=1" class="new" title="Higgsprimtal [inte skriven än]">Higgs</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=H%C3%B6gt_kototient_tal&action=edit&redlink=1" class="new" title="Högt kototient tal [inte skriven än]">Högt kototient tal</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=F%C3%B6rbjudet_primtal&action=edit&redlink=1" class="new" title="Förbjudet primtal [inte skriven än]">Förbjudet</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Bas-beroende</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Glada_tal" title="Glada tal">Glada</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Diederprimtal&action=edit&redlink=1" class="new" title="Diederprimtal [inte skriven än]">Dieder</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Palindromprimtal" title="Palindromprimtal">Palindrom</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Latmirp" title="Latmirp">Latmirp</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Repunit&action=edit&redlink=1" class="new" title="Repunit [inte skriven än]">Repunit</a> (10<sup><i>n</i></sup> − 1)/9<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Permuterbart_primtal&action=edit&redlink=1" class="new" title="Permuterbart primtal [inte skriven än]">Permuterbart</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Cirkul%C3%A4rt_primtal&action=edit&redlink=1" class="new" title="Cirkulärt primtal [inte skriven än]">Cirkulärt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Trunkerbart_primtal&action=edit&redlink=1" class="new" title="Trunkerbart primtal [inte skriven än]">Trunkerbart</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Strobogrammatiskt_primtal&action=edit&redlink=1" class="new" title="Strobogrammatiskt primtal [inte skriven än]">Strobogrammatiskt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Minimalt_primtal_(rekreationell_matematik)&action=edit&redlink=1" class="new" title="Minimalt primtal (rekreationell matematik) [inte skriven än]">Minimalt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Properi%C3%A4rt_primtal&action=edit&redlink=1" class="new" title="Properiärt primtal [inte skriven än]">Properiärt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Unikt_primtal&action=edit&redlink=1" class="new" title="Unikt primtal [inte skriven än]">Unikt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Primitivt_tal&action=edit&redlink=1" class="new" title="Primitivt tal [inte skriven än]">Primitivt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Sj%C3%A4lvtal&action=edit&redlink=1" class="new" title="Självtal [inte skriven än]">Självtal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Smarandache%E2%80%93Wellinprimtal" title="Smarandache–Wellinprimtal">Smarandache–Wellin</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Mönster</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Primtalstvilling" title="Primtalstvilling">Tvilling</a> (<i>p</i>, <i>p</i> + 2)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Bitvillingkedja&action=edit&redlink=1" class="new" title="Bitvillingkedja [inte skriven än]">Bitvillingkedja</a> (<i>p</i> − 1, <i>p</i> + 1, 2<i>p</i> − 1, 2<i>p</i> + 1, …)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Primtalstrilling&action=edit&redlink=1" class="new" title="Primtalstrilling [inte skriven än]">Trilling</a> (<i>p</i>, <i>p</i> + 2 or <i>p</i> + 4, <i>p</i> + 6)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Primtalsfyrling&action=edit&redlink=1" class="new" title="Primtalsfyrling [inte skriven än]">Fyrling</a> (<i>p</i>, <i>p</i> + 2, <i>p</i> + 6, <i>p</i> + 8)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Prim_k-tupel&action=edit&redlink=1" class="new" title="Prim k-tupel [inte skriven än]">Tupel</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Primtalskusin" title="Primtalskusin">Kusin</a> (<i>p</i>, <i>p</i> + 4)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Sexprimtal&action=edit&redlink=1" class="new" title="Sexprimtal [inte skriven än]">Sex</a> (<i>p</i>, <i>p</i> + 6)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Chenprimtal&action=edit&redlink=1" class="new" title="Chenprimtal [inte skriven än]">Chen</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Sophie_Germainprimtal" title="Sophie Germainprimtal">Sophie Germain</a> (<i>p</i>, 2<i>p</i> + 1)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Cunninghamkedja&action=edit&redlink=1" class="new" title="Cunninghamkedja [inte skriven än]">Cunninghamkedja</a> (<i>p</i>, 2<i>p</i> ± 1, …)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=S%C3%A4kert_primtal&action=edit&redlink=1" class="new" title="Säkert primtal [inte skriven än]">Säkert</a> (<i>p</i>, (<i>p</i> − 1)/2)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Primtal_i_aritmetiska_f%C3%B6ljder&action=edit&redlink=1" class="new" title="Primtal i aritmetiska följder [inte skriven än]">Aritmetiska följder</a> (<i>p</i> + <i>a·n</i>, <i>n</i> = 0, 1, …)<span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Balanserat_primtal&action=edit&redlink=1" class="new" title="Balanserat primtal [inte skriven än]">Balanserat</a> (på varandra följande <i>p</i> − <i>n</i>, <i>p</i>, <i>p</i> + <i>n</i>)</div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Efter storlek</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Titaniska_primtal" title="Titaniska primtal">Titaniska</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Gigantiska_primtal" title="Gigantiska primtal">Gigantiska</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Megaprimtal" title="Megaprimtal">Mega</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Stora_primtal" title="Stora primtal">Största kända</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Komplexa_tal" title="Komplexa tal">Komplexa tal</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/w/index.php?title=Eisensteinprimtal&action=edit&redlink=1" class="new" title="Eisensteinprimtal [inte skriven än]">Eisenstein</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Gaussiskt_heltal" title="Gaussiskt heltal">Gaussiskt heltal</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Sammansatt_tal" title="Sammansatt tal">Sammansatta tal</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Pseudoprimtal" title="Pseudoprimtal">Pseudoprimtal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/N%C3%A4stan-primtal" title="Nästan-primtal">Nästan-primtal</a><span style="font-weight:bold;"> · </span> <a class="mw-selflink selflink">Semiprimtal</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Interprimtal&action=edit&redlink=1" class="new" title="Interprimtal [inte skriven än]">Interprimtal</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Relaterade artiklar</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/w/index.php?title=Sannolikt_primtal&action=edit&redlink=1" class="new" title="Sannolikt primtal [inte skriven än]">Sannolikt primtal</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Industriklassprimtal&action=edit&redlink=1" class="new" title="Industriklassprimtal [inte skriven än]">Industriklassprimtal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Formler_f%C3%B6r_primtal" title="Formler för primtal">Formler</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Primtalsgap&action=edit&redlink=1" class="new" title="Primtalsgap [inte skriven än]">Primtalsgap</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">De första 100 primtalen</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/2_(tal)" title="2 (tal)">2</a><span style="font-weight:bold;"> · </span> <a href="/wiki/3_(tal)" title="3 (tal)">3</a><span style="font-weight:bold;"> · </span> <a href="/wiki/5_(tal)" title="5 (tal)">5</a><span style="font-weight:bold;"> · </span> <a href="/wiki/7_(tal)" title="7 (tal)">7</a><span style="font-weight:bold;"> · </span> <a href="/wiki/11_(tal)" title="11 (tal)">11</a><span style="font-weight:bold;"> · </span> <a href="/wiki/13_(tal)" title="13 (tal)">13</a><span style="font-weight:bold;"> · </span> <a href="/wiki/17_(tal)" title="17 (tal)">17</a><span style="font-weight:bold;"> · </span> <a href="/wiki/19_(tal)" title="19 (tal)">19</a><span style="font-weight:bold;"> · </span> <a href="/wiki/23_(tal)" title="23 (tal)">23</a><span style="font-weight:bold;"> · </span> <a href="/wiki/29_(tal)" title="29 (tal)">29</a><span style="font-weight:bold;"> · </span> <a href="/wiki/31_(tal)" title="31 (tal)">31</a><span style="font-weight:bold;"> · </span> <a href="/wiki/37_(tal)" title="37 (tal)">37</a><span style="font-weight:bold;"> · </span> <a href="/wiki/41_(tal)" title="41 (tal)">41</a><span style="font-weight:bold;"> · </span> <a href="/wiki/43_(tal)" title="43 (tal)">43</a><span style="font-weight:bold;"> · </span> <a href="/wiki/47_(tal)" title="47 (tal)">47</a><span style="font-weight:bold;"> · </span> <a href="/wiki/53_(tal)" title="53 (tal)">53</a><span style="font-weight:bold;"> · </span> <a href="/wiki/59_(tal)" title="59 (tal)">59</a><span style="font-weight:bold;"> · </span> <a href="/wiki/61_(tal)" title="61 (tal)">61</a><span style="font-weight:bold;"> · </span> <a href="/wiki/67_(tal)" title="67 (tal)">67</a><span style="font-weight:bold;"> · </span> <a href="/wiki/71_(tal)" title="71 (tal)">71</a><span style="font-weight:bold;"> · </span> <a href="/wiki/73_(tal)" title="73 (tal)">73</a><span style="font-weight:bold;"> · </span> <a href="/wiki/79_(tal)" title="79 (tal)">79</a><span style="font-weight:bold;"> · </span> <a href="/wiki/83_(tal)" title="83 (tal)">83</a><span style="font-weight:bold;"> · </span> <a href="/wiki/89_(tal)" title="89 (tal)">89</a><span style="font-weight:bold;"> · </span> <a href="/wiki/97_(tal)" title="97 (tal)">97</a><span style="font-weight:bold;"> · </span> <a href="/wiki/101_(tal)" title="101 (tal)">101</a><span style="font-weight:bold;"> · </span> <a href="/wiki/103_(tal)" title="103 (tal)">103</a><span style="font-weight:bold;"> · </span> <a href="/wiki/107_(tal)" title="107 (tal)">107</a><span style="font-weight:bold;"> · </span> <a href="/wiki/109_(tal)" title="109 (tal)">109</a><span style="font-weight:bold;"> · </span> <a href="/wiki/113_(tal)" title="113 (tal)">113</a><span style="font-weight:bold;"> · </span> <a href="/wiki/127_(tal)" title="127 (tal)">127</a><span style="font-weight:bold;"> · </span> <a href="/wiki/131_(tal)" title="131 (tal)">131</a><span style="font-weight:bold;"> · </span> <a href="/wiki/137_(tal)" title="137 (tal)">137</a><span style="font-weight:bold;"> · </span> <a href="/wiki/139_(tal)" title="139 (tal)">139</a><span style="font-weight:bold;"> · </span> <a href="/wiki/149_(tal)" title="149 (tal)">149</a><span style="font-weight:bold;"> · </span> <a href="/wiki/151_(tal)" title="151 (tal)">151</a><span style="font-weight:bold;"> · </span> <a href="/wiki/157_(tal)" title="157 (tal)">157</a><span style="font-weight:bold;"> · </span> <a href="/wiki/163_(tal)" title="163 (tal)">163</a><span style="font-weight:bold;"> · </span> <a href="/wiki/167_(tal)" title="167 (tal)">167</a><span style="font-weight:bold;"> · </span> <a href="/wiki/173_(tal)" title="173 (tal)">173</a><span style="font-weight:bold;"> · </span> <a href="/wiki/179_(tal)" title="179 (tal)">179</a><span style="font-weight:bold;"> · </span> <a href="/wiki/181_(tal)" title="181 (tal)">181</a><span style="font-weight:bold;"> · </span> <a href="/wiki/191_(tal)" title="191 (tal)">191</a><span style="font-weight:bold;"> · </span> <a href="/wiki/193_(tal)" title="193 (tal)">193</a><span style="font-weight:bold;"> · </span> <a href="/wiki/197_(tal)" title="197 (tal)">197</a><span style="font-weight:bold;"> · </span> <a href="/wiki/199_(tal)" title="199 (tal)">199</a><span style="font-weight:bold;"> · </span> <a href="/wiki/211_(tal)" title="211 (tal)">211</a><span style="font-weight:bold;"> · </span> <a href="/wiki/223_(tal)" title="223 (tal)">223</a><span style="font-weight:bold;"> · </span> <a href="/wiki/227_(tal)" title="227 (tal)">227</a><span style="font-weight:bold;"> · </span> <a href="/wiki/229_(tal)" title="229 (tal)">229</a><span style="font-weight:bold;"> · </span> <a href="/wiki/233_(tal)" title="233 (tal)">233</a><span style="font-weight:bold;"> · </span> <a href="/wiki/239_(tal)" title="239 (tal)">239</a><span style="font-weight:bold;"> · </span> <a href="/wiki/241_(tal)" title="241 (tal)">241</a><span style="font-weight:bold;"> · </span> <a href="/wiki/251_(tal)" title="251 (tal)">251</a><span style="font-weight:bold;"> · </span> <a href="/wiki/257_(tal)" title="257 (tal)">257</a><span style="font-weight:bold;"> · </span> <a href="/wiki/263_(tal)" title="263 (tal)">263</a><span style="font-weight:bold;"> · </span> <a href="/wiki/269_(tal)" title="269 (tal)">269</a><span style="font-weight:bold;"> · </span> <a href="/wiki/271_(tal)" title="271 (tal)">271</a><span style="font-weight:bold;"> · </span> <a href="/wiki/277_(tal)" title="277 (tal)">277</a><span style="font-weight:bold;"> · </span> <a href="/wiki/281_(tal)" title="281 (tal)">281</a><span style="font-weight:bold;"> · </span> <a href="/wiki/283_(tal)" title="283 (tal)">283</a><span style="font-weight:bold;"> · </span> <a href="/wiki/293_(tal)" title="293 (tal)">293</a><span style="font-weight:bold;"> · </span> <a href="/wiki/307_(tal)" title="307 (tal)">307</a><span style="font-weight:bold;"> · </span> <a href="/wiki/311_(tal)" title="311 (tal)">311</a><span style="font-weight:bold;"> · </span> <a href="/wiki/313_(tal)" title="313 (tal)">313</a><span style="font-weight:bold;"> · </span> <a href="/wiki/317_(tal)" title="317 (tal)">317</a><span style="font-weight:bold;"> · </span> <a href="/wiki/331_(tal)" title="331 (tal)">331</a><span style="font-weight:bold;"> · </span> <a href="/wiki/337_(tal)" title="337 (tal)">337</a><span style="font-weight:bold;"> · </span> <a href="/wiki/347_(tal)" title="347 (tal)">347</a><span style="font-weight:bold;"> · </span> <a href="/wiki/349_(tal)" title="349 (tal)">349</a><span style="font-weight:bold;"> · </span> <a href="/wiki/353_(tal)" title="353 (tal)">353</a><span style="font-weight:bold;"> · </span> <a href="/wiki/359_(tal)" title="359 (tal)">359</a><span style="font-weight:bold;"> · </span> <a href="/wiki/367_(tal)" title="367 (tal)">367</a><span style="font-weight:bold;"> · </span> <a href="/wiki/373_(tal)" title="373 (tal)">373</a><span style="font-weight:bold;"> · </span> <a href="/wiki/379_(tal)" title="379 (tal)">379</a><span style="font-weight:bold;"> · </span> <a href="/wiki/383_(tal)" title="383 (tal)">383</a><span style="font-weight:bold;"> · </span> <a href="/wiki/389_(tal)" title="389 (tal)">389</a><span style="font-weight:bold;"> · </span> <a href="/wiki/397_(tal)" title="397 (tal)">397</a><span style="font-weight:bold;"> · </span> <a href="/wiki/401_(tal)" title="401 (tal)">401</a><span style="font-weight:bold;"> · </span> <a href="/wiki/409_(tal)" title="409 (tal)">409</a><span style="font-weight:bold;"> · </span> <a href="/wiki/419_(tal)" title="419 (tal)">419</a><span style="font-weight:bold;"> · </span> <a href="/wiki/421_(tal)" title="421 (tal)">421</a><span style="font-weight:bold;"> · </span> <a href="/wiki/431_(tal)" title="431 (tal)">431</a><span style="font-weight:bold;"> · </span> <a href="/wiki/433_(tal)" title="433 (tal)">433</a><span style="font-weight:bold;"> · </span> <a href="/wiki/439_(tal)" title="439 (tal)">439</a><span style="font-weight:bold;"> · </span> <a href="/wiki/443_(tal)" title="443 (tal)">443</a><span style="font-weight:bold;"> · </span> <a href="/wiki/449_(tal)" title="449 (tal)">449</a><span style="font-weight:bold;"> · </span> <a href="/wiki/457_(tal)" title="457 (tal)">457</a><span style="font-weight:bold;"> · </span> <a href="/wiki/461_(tal)" title="461 (tal)">461</a><span style="font-weight:bold;"> · </span> <a href="/wiki/463_(tal)" title="463 (tal)">463</a><span style="font-weight:bold;"> · </span> <a href="/wiki/467_(tal)" title="467 (tal)">467</a><span style="font-weight:bold;"> · </span> <a href="/wiki/479_(tal)" title="479 (tal)">479</a><span style="font-weight:bold;"> · </span> <a href="/wiki/487_(tal)" title="487 (tal)">487</a><span style="font-weight:bold;"> · </span> <a href="/wiki/491_(tal)" title="491 (tal)">491</a><span style="font-weight:bold;"> · </span> <a href="/wiki/499_(tal)" title="499 (tal)">499</a><span style="font-weight:bold;"> · </span> <a href="/wiki/503_(tal)" title="503 (tal)">503</a><span style="font-weight:bold;"> · </span> <a href="/wiki/509_(tal)" title="509 (tal)">509</a><span style="font-weight:bold;"> · </span> <a href="/wiki/521_(tal)" title="521 (tal)">521</a><span style="font-weight:bold;"> · </span> <a href="/wiki/523_(tal)" title="523 (tal)">523</a><span style="font-weight:bold;"> · </span> <a href="/wiki/541_(tal)" title="541 (tal)">541</a></div></td></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-abovebelow" style=";" colspan="2"><a href="/wiki/Lista_%C3%B6ver_primtal" title="Lista över primtal">Lista över primtal</a></td></tr></tbody></table></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950" /><table class="navbox" style="border-spacing:0; ;"><tbody><tr><td style="padding:2px;"><table class="navbox-inner collapsible autocollapse" style="width:100%;border-spacing:0;background:transparent;color:inherit;;"><tbody><tr><th style=";" colspan="3" class="navbox-title"><div style="float:left; width:3em;text-align:left;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:Delbarhetsklasser" title="Mall:Delbarhetsklasser"><span title="Visa denna mall" style="border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Delbarhetsklasser&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;">Delbarhetsbaserade heltalsmängder</span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;">Översikt</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Primtalsfaktorisering" title="Primtalsfaktorisering">Primtalsfaktorisering</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Delbarhet" title="Delbarhet">Delbarhet</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Unit%C3%A4r_delare" title="Unitär delare">Unitär delare</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Sigmafunktionen" title="Sigmafunktionen">Sigmafunktionen</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Primtalsfaktor" title="Primtalsfaktor">Primtalsfaktor</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Aritmetikens_fundamentalsats" title="Aritmetikens fundamentalsats">Aritmetikens fundamentalsats</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Aritmetiskt_tal" title="Aritmetiskt tal">Aritmetiskt tal</a></div></td><td style="width:0%;padding:0px 0px 0px 2px;" rowspan="11"><span typeof="mw:File"><a href="/wiki/Fil:Lattice_of_the_divisibility_of_60.svg" class="mw-file-description" title="Delbarheten av 60"><img alt="Delbarheten av 60" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Lattice_of_the_divisibility_of_60.svg/200px-Lattice_of_the_divisibility_of_60.svg.png" decoding="async" width="200" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Lattice_of_the_divisibility_of_60.svg/300px-Lattice_of_the_divisibility_of_60.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/51/Lattice_of_the_divisibility_of_60.svg/400px-Lattice_of_the_divisibility_of_60.svg.png 2x" data-file-width="313" data-file-height="250" /></a></span></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Faktoriserade former</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Primtal" title="Primtal">Primtal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Sammansatt_tal" title="Sammansatt tal">Sammansatt</a><span style="font-weight:bold;"> · </span> <a class="mw-selflink selflink">Semiprimtal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Rektangeltal" title="Rektangeltal">Rektangel</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Sfeniskt_tal" title="Sfeniskt tal">Sfeniskt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvadratfritt_tal" title="Kvadratfritt tal">Kvadratfritt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Potensrikt_tal&action=edit&redlink=1" class="new" title="Potensrikt tal [inte skriven än]">Potensrikt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Perfekt_potens" title="Perfekt potens">Perfekt potens</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Akillestal" title="Akillestal">Akilles</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Sl%C3%A4tt_tal&action=edit&redlink=1" class="new" title="Slätt tal [inte skriven än]">Slätt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Regelbundet_tal&action=edit&redlink=1" class="new" title="Regelbundet tal [inte skriven än]">Regelbundet</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Grovt_tal&action=edit&redlink=1" class="new" title="Grovt tal [inte skriven än]">Grovt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Extraordin%C3%A4rt_tal" title="Extraordinärt tal">Extraordinärt</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Begränsade <a href="/wiki/Delarsumma" title="Delarsumma">delarsummor</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Perfekt_tal" title="Perfekt tal">Perfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/N%C3%A4stan-perfekt_tal" title="Nästan-perfekt tal">Nästan-perfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvasiperfekt_tal" title="Kvasiperfekt tal">Kvasiperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Multiperfekt_tal" title="Multiperfekt tal">Multiperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hemiperfekt_tal" title="Hemiperfekt tal">Hemiperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hyperperfekt_tal" title="Hyperperfekt tal">Hyperperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Superperfekt_tal" title="Superperfekt tal">Superperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Unit%C3%A4rt_perfekt_tal" title="Unitärt perfekt tal">Unitärt perfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Semiperfekt_tal" title="Semiperfekt tal">Semiperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Praktiskt_tal" title="Praktiskt tal">Praktiskt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Erd%C5%91s%E2%80%93Nicolas-tal&action=edit&redlink=1" class="new" title="Erdős–Nicolas-tal [inte skriven än]">Erdős–Nicolas</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Med många delare</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Ymnigt_tal" title="Ymnigt tal">Ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Primitivt_ymnigt_tal" title="Primitivt ymnigt tal">Primitivt ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Mycket_ymnigt_tal" title="Mycket ymnigt tal">Mycket ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Superymnigt_tal" title="Superymnigt tal">Superymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kolossalt_ymnigt_tal" title="Kolossalt ymnigt tal">Kolossalt ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Mycket_sammansatt_tal" title="Mycket sammansatt tal">Mycket sammansatt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Mycket_h%C3%B6gt_sammansatt_tal" title="Mycket högt sammansatt tal">Mycket högt sammansatt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Supernaturligt_tal&action=edit&redlink=1" class="new" title="Supernaturligt tal [inte skriven än]">Supernaturligt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/%C3%96vernaturligt_tal" title="Övernaturligt tal">Övernaturligt</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/w/index.php?title=Alikvotf%C3%B6ljd&action=edit&redlink=1" class="new" title="Alikvotföljd [inte skriven än]">Alikvotföljdsrelaterade</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/w/index.php?title=Ober%C3%B6rbart_tal&action=edit&redlink=1" class="new" title="Oberörbart tal [inte skriven än]">Oberörbart</a><span style="font-weight:bold;"> · </span> <a href="/wiki/V%C3%A4nskapligt_tal" title="Vänskapligt tal">Vänskapligt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Sociabelt_tal&action=edit&redlink=1" class="new" title="Sociabelt tal [inte skriven än]">Sociabelt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvasiv%C3%A4nskapligt_tal" title="Kvasivänskapligt tal">Kvasivänskapligt</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Andra mängder</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Defekt_tal" title="Defekt tal">Defekt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=V%C3%A4nligt_tal&action=edit&redlink=1" class="new" title="Vänligt tal [inte skriven än]">Vänligt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Solit%C3%A4rt_tal&action=edit&redlink=1" class="new" title="Solitärt tal [inte skriven än]">Solitärt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Sublimt_tal&action=edit&redlink=1" class="new" title="Sublimt tal [inte skriven än]">Sublimt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Harmoniskt_delartal&action=edit&redlink=1" class="new" title="Harmoniskt delartal [inte skriven än]">Harmoniskt delartal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Frugalt_tal" title="Frugalt tal">Frugalt</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Ekvidigitalt_tal&action=edit&redlink=1" class="new" title="Ekvidigitalt tal [inte skriven än]">Ekvidigitalt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Extravagant_tal" title="Extravagant tal">Extravagant</a></div></td></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-abovebelow" style=";" colspan="3"><a href="/wiki/Lista_%C3%B6ver_tal" title="Lista över tal">Lista över tal</a></td></tr></tbody></table></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950" /><table class="navbox" style="border-spacing:0; ;"><tbody><tr><td style="padding:2px;"><table class="navbox-inner collapsible collapsed" style="width:100%;border-spacing:0;background:transparent;color:inherit;;"><tbody><tr><th style=";" colspan="2" class="navbox-title"><div style="float:left; width:3em;text-align:left;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:Naturliga_tal" title="Mall:Naturliga tal"><span title="Visa denna mall" style="border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Naturliga_tal&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Naturliga_tal" title="Naturliga tal">Naturliga tal</a> (ℕ)</span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;"> Heltalspotenser</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Akillestal" title="Akillestal">Akilles</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Tv%C3%A5potens" title="Tvåpotens">Tvåpotens</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Tiopotens" title="Tiopotens">Tiopotens</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvadrat_(aritmetik)" title="Kvadrat (aritmetik)">Kvadrat</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kub_(aritmetik)" title="Kub (aritmetik)">Kub</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Fj%C3%A4rde_potens" title="Fjärde potens">Fjärde potens</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Femte_potens" title="Femte potens">Femte potens</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Primtalspotens" title="Primtalspotens">Primtalspotens</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"> Av formen <i>a</i> × 2<sup><i>b</i></sup> ± 1</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Cullental" title="Cullental">Cullen</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Dubbelt_Mersennetal" title="Dubbelt Mersennetal">Dubbelt Mersenne</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Fermattal" title="Fermattal">Fermat</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Mersennetal" class="mw-redirect" title="Mersennetal">Mersenne</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Prothtal" title="Prothtal">Proth</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Thabittal" title="Thabittal">Thabit</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Woodalltal" title="Woodalltal">Woodall</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Andra polynomtal</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Caroltal" title="Caroltal">Carol</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hilberttal" title="Hilberttal">Hilbert</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kyneatal" title="Kyneatal">Kynea</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Leylandtal" title="Leylandtal">Leyland</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Eulers_lyckotal" title="Eulers lyckotal">Eulers lyckotal</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Rekursion" title="Rekursion">Rekursivt</a> definierade tal</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Fibonaccital" title="Fibonaccital">Fibonacci</a> (Ordning: <a href="/wiki/Tribonaccital" title="Tribonaccital">3</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Tetranaccital" title="Tetranaccital">4</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Pentanaccital" title="Pentanaccital">5</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hexanaccital" title="Hexanaccital">6</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Heptanaccital" title="Heptanaccital">7</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Oktanaccital" title="Oktanaccital">8</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Nonaccital" title="Nonaccital">9</a>)<span style="font-weight:bold;"> · </span> <a href="/wiki/Jacobsthaltal" title="Jacobsthaltal">Jacobsthal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Leonardotal" title="Leonardotal">Leonardo</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Perrintal" title="Perrintal">Perrin</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Ospecifika <a href="/wiki/M%C3%A4ngd" title="Mängd">mängder</a> av andra <a href="/wiki/Tal" title="Tal">tal</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Kn%C3%B6deltal" title="Knödeltal">Knödel</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Uttryckbara via specifika summor</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Praktiskt_tal" title="Praktiskt tal">Praktiskt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Prim%C3%A4rt_pseudoperfekt_tal" title="Primärt pseudoperfekt tal">Primärt pseudoperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ulamtal" title="Ulamtal">Ulam</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Wolstenholmetal" title="Wolstenholmetal">Wolstenholme</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Genererade via ett <a href="/w/index.php?title=S%C3%A5ll_(matematik)&action=edit&redlink=1" class="new" title="Såll (matematik) [inte skriven än]">såll</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Lyckotal" title="Lyckotal">Lyckotal</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Kodning" title="Kodning">Kodrelaterade</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Meertenstal" title="Meertenstal">Meertens</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Figurtal" title="Figurtal">Figurtal</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950" /></div><table class="navbox-inner navbox-subgroup" style="width:100%;border-spacing:0;;;;"><tbody><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/2D" class="mw-redirect" title="2D">2D</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950" /></div><table class="navbox-inner navbox-subgroup" style="width:100%;border-spacing:0;;;;"><tbody><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/Polygontal" title="Polygontal">Icke-centrerade</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Triangeltal" title="Triangeltal">Triangel</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvadrat_(aritmetik)" title="Kvadrat (aritmetik)">Kvadrat</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Pentagontal" title="Pentagontal">5∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hexagontal" title="Hexagontal">6∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Heptagontal" title="Heptagontal">7∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Oktogontal" title="Oktogontal">8∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Nonagontal" title="Nonagontal">9∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Dekagontal" title="Dekagontal">10∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hendekagontal" title="Hendekagontal">11∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Dodekagontal" title="Dodekagontal">12∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Tridekagontal" title="Tridekagontal">13∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Tetradekagontal" title="Tetradekagontal">14∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Pentadekagontal" title="Pentadekagontal">15∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hexadekagontal" title="Hexadekagontal">16∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Heptadekagontal" title="Heptadekagontal">17∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Oktodekagontal" title="Oktodekagontal">18∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Nonadekagontal" title="Nonadekagontal">19∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ikosagontal" title="Ikosagontal">20∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ikosihenagontal" title="Ikosihenagontal">21∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ikosidigontal" title="Ikosidigontal">22∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ikositrigontal" title="Ikositrigontal">23∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ikositetragontal" title="Ikositetragontal">24∡</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Myriagontal" title="Myriagontal">Myriagon</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Rektangeltal" title="Rektangeltal">Rektangel</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/Centrerat_polygontal" title="Centrerat polygontal">Centrerade</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Centrerat_triangeltal" title="Centrerat triangeltal">Centrerad triangel</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_kvadrattal" title="Centrerat kvadrattal">Centrerad kvadrat</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_pentagontal" title="Centrerat pentagontal">Centrerad pentagon</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_hexagontal" title="Centrerat hexagontal">Centrerad hexagon</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_heptagontal" title="Centrerat heptagontal">Centrerad heptagon</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_oktogontal" title="Centrerat oktogontal">Centrerad oktogon</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_nonagontal" title="Centrerat nonagontal">Centrerad nonagon</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_dekagontal" title="Centrerat dekagontal">Centrerad dekagon</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Stj%C3%A4rntal" title="Stjärntal">Stjärna</a></div></td></tr></tbody></table><div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/3D" class="mw-redirect" title="3D">3D</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950" /></div><table class="navbox-inner navbox-subgroup" style="width:100%;border-spacing:0;;;;"><tbody><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/Polyedertal" class="mw-redirect" title="Polyedertal">Icke-centrerade</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Tetraedertal" title="Tetraedertal">Tetraeder</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kub_(aritmetik)" title="Kub (aritmetik)">Kubiktal</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Oktaedertal" title="Oktaedertal">Oktaeder</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Dodekaedertal" title="Dodekaedertal">Dodekaeder</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ikosaedertal" title="Ikosaedertal">Ikosaeder</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/Centrerat_polyedertal" title="Centrerat polyedertal">Centrerade</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Centrerat_tetraedertal" title="Centrerat tetraedertal">Centrerad tetraeder</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_kubiktal" title="Centrerat kubiktal">Centrerad kub</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_oktaedertal" title="Centrerat oktaedertal">Centrerad oktaeder</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_dodekaedertal" title="Centrerat dodekaedertal">Centrerad dodekaeder</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Centrerat_ikosaedertal" title="Centrerat ikosaedertal">Centrerad ikosaeder</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/Pyramidtal" title="Pyramidtal">Pyramidtal</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Pentagonalt_pyramidtal" title="Pentagonalt pyramidtal">Pentagonal pyramid</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hexagonalt_pyramidtal" title="Hexagonalt pyramidtal">Hexagonal pyramid</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Heptagonalt_pyramidtal" title="Heptagonalt pyramidtal">Heptagonal pyramid</a></div></td></tr></tbody></table><div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;"><a href="/wiki/4D" class="mw-redirect" title="4D">4D</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Tesserakttal" title="Tesserakttal">Tesserakt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvadrattriangul%C3%A4rt_tal" title="Kvadrattriangulärt tal">Kvadrattriangulärt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kubkvadrat" class="mw-redirect" title="Kubkvadrat">Kubkvadrat</a></div></td></tr></tbody></table><div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Pseudoprimtal" title="Pseudoprimtal">Pseudoprimtal</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Carmichaeltal" title="Carmichaeltal">Carmichael</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Elliptiskt_pseudoprimtal" title="Elliptiskt pseudoprimtal">Elliptiskt pseudoprimtal</a><span style="font-weight:bold;"> · </span></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Kombinatorik" title="Kombinatorik">Kombinatoriska tal</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Belltal" title="Belltal">Bell</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Catalantal" title="Catalantal">Catalan</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Fuss%E2%80%93Catalantal" title="Fuss–Catalantal">Fuss–Catalan</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Motzkintal" title="Motzkintal">Motzkin</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Schr%C3%B6dertal" title="Schrödertal">Schröder</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Aritmetisk_funktion" title="Aritmetisk funktion">Aritmetiska funktioner</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950" /></div><table class="navbox-inner navbox-subgroup" style="width:100%;border-spacing:0;;;;"><tbody><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;">Genom egenskaper hos <a href="/wiki/Sigmafunktionen" title="Sigmafunktionen">σ(<i>n</i>)</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Ymnigt_tal" title="Ymnigt tal">Ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/N%C3%A4stan-perfekt_tal" title="Nästan-perfekt tal">Nästan-perfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Aritmetiskt_tal" title="Aritmetiskt tal">Aritmetiskt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kolossalt_ymnigt_tal" title="Kolossalt ymnigt tal">Kolossalt ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Descartestal" title="Descartestal">Descartes</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hemiperfekt_tal" title="Hemiperfekt tal">Hemiperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Mycket_ymnigt_tal" title="Mycket ymnigt tal">Mycket ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hyperperfekt_tal" title="Hyperperfekt tal">Hyperperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Multiperfekt_tal" title="Multiperfekt tal">Multiperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Perfekt_tal" title="Perfekt tal">Perfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Primitivt_ymnigt_tal" title="Primitivt ymnigt tal">Primitivt ymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvasiperfekt_tal" title="Kvasiperfekt tal">Kvasiperfekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Superymnigt_tal" title="Superymnigt tal">Superymnigt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Mycket_h%C3%B6gt_sammansatt_tal" title="Mycket högt sammansatt tal">Mycket högt sammansatt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Superperfekt_tal" title="Superperfekt tal">Superfekt</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;">Genom egenskaper hos <a href="/wiki/Aritmetisk_funktion" title="Aritmetisk funktion">Ω(<i>n</i>)</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/N%C3%A4stan-primtal" title="Nästan-primtal">Nästan-primtal</a><span style="font-weight:bold;"> · </span> <a class="mw-selflink selflink">Semiprimtal</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;">Genom egenskaper hos <a href="/wiki/Sigmafunktionen#Definition" title="Sigmafunktionen">s(<i>n</i>)</a></div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/V%C3%A4nskapligt_tal" title="Vänskapligt tal">Vänskapligt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Kvasiv%C3%A4nskapligt_tal" title="Kvasivänskapligt tal">Kvasivänskapligt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Defekt_tal" title="Defekt tal">Defekt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Semiperfekt_tal" title="Semiperfekt tal">Semiperfekt</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";padding-left:0em;padding-right:0em;;"><div style="padding:0em 0.75em;">Övriga tal</div></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Euklidestal" title="Euklidestal">Euklides</a></div></td></tr></tbody></table><div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Andra <a href="/wiki/Primtalsfaktor" title="Primtalsfaktor">primtalsfaktor</a>- eller <br /><a href="/wiki/Delbarhet" title="Delbarhet">delbarhetsrelarerade</a> tal</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Erd%C5%91s%E2%80%93Woodstal" title="Erdős–Woodstal">Erdős–Woods</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Frugalt_tal" title="Frugalt tal">Frugalt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Giugatal" title="Giugatal">Giuga</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Mycket_sammansatt_tal" title="Mycket sammansatt tal">Mycket sammansatt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Lucas%E2%80%93Carmichaeltal" title="Lucas–Carmichaeltal">Lucas–Carmichael</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Rektangeltal" title="Rektangeltal">Rektangel</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Sfeniskt_tal" title="Sfeniskt tal">Sfeniskt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/St%C3%B8rmertal" title="Størmertal">Størmer</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Zeiseltal" title="Zeiseltal">Zeisel</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Talbas" title="Talbas">Bas</a>-beroende tal</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Cykliskt_tal" title="Cykliskt tal">Cykliskt</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Dudeneytal" title="Dudeneytal">Dudeney</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Extravagant_tal" title="Extravagant tal">Extravagant</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Friedmantal" title="Friedmantal">Friedman</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Glada_tal" title="Glada tal">Glada</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Harshadtal" 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