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Dit is echter niet verplicht." class=""><span>Account aanmaken</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciaal:Aanmelden&returnto=Palindroomgetal" title="U wordt van harte uitgenodigd om aan te melden, maar dit is niet verplicht [o]" accesskey="o" class=""><span>Aanmelden</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Meer opties" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Persoonlijke hulpmiddelen" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Persoonlijke hulpmiddelen</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Gebruikersmenu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_nl.wikipedia.org&uselang=nl"><span>Doneren</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciaal:GebruikerAanmaken&returnto=Palindroomgetal" title="Registreer u vooral en meld u aan. Dit is echter niet verplicht."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Account aanmaken</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciaal:Aanmelden&returnto=Palindroomgetal" title="U wordt van harte uitgenodigd om aan te melden, maar dit is niet verplicht [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Aanmelden</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"> Pagina's voor uitgelogde redacteuren <a href="/wiki/Help:Inleiding" aria-label="Meer leren over bewerken"><span>meer lezen</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/Speciaal:MijnBijdragen" title="Bijdragen IP-adres [y]" accesskey="y"><span>Bijdragen</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciaal:MijnOverleg" title="Overlegpagina van de anonieme gebruiker van dit IP-adres [n]" accesskey="n"><span>Overleg</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Inhoud" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Inhoud</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">verbergen</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Top</div> </a> </li> <li id="toc-Formele_definitie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Formele_definitie"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Formele definitie</span> </div> </a> <ul id="toc-Formele_definitie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Decimale_(tientallige)_palindroomgetallen" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Decimale_(tientallige)_palindroomgetallen"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Decimale (tientallige) palindroomgetallen</span> </div> </a> <button aria-controls="toc-Decimale_(tientallige)_palindroomgetallen-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Decimale (tientallige) palindroomgetallen-subkopje inklappen</span> </button> <ul id="toc-Decimale_(tientallige)_palindroomgetallen-sublist" class="vector-toc-list"> <li id="toc-Palindroomdata" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Palindroomdata"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Palindroomdata</span> </div> </a> <ul id="toc-Palindroomdata-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Zie_ook" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Zie_ook"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Zie ook</span> </div> </a> <ul id="toc-Zie_ook-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externe_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externe_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Externe links</span> </div> </a> <ul id="toc-Externe_links-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="Inhoud" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Inhoudsopgave omschakelen" > <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">Inhoudsopgave omschakelen</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">Palindroomgetal</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="Ga naar een artikel in een andere taal. Beschikbaar in 29 talen" > <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-29" 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">29 talen</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%82%D9%84%D9%88%D8%A8" title="عدد قلوب – Arabisch" lang="ar" hreflang="ar" data-title="عدد قلوب" data-language-autonym="العربية" data-language-local-name="Arabisch" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Palindromik_%C9%99d%C9%99d" title="Palindromik ədəd – Azerbeidzjaans" lang="az" hreflang="az" data-title="Palindromik ədəd" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbeidzjaans" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B2%E0%A6%BF%E0%A6%A8%E0%A7%8D%E2%80%8C%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A7%8B%E0%A6%AE%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE" title="প্যালিন্‌ড্রোমীয় সংখ্যা – Bengaals" lang="bn" hreflang="bn" data-title="প্যালিন্‌ড্রোমীয় সংখ্যা" data-language-autonym="বাংলা" data-language-local-name="Bengaals" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Capicua" title="Capicua – Catalaans" lang="ca" hreflang="ca" data-title="Capicua" data-language-autonym="Català" data-language-local-name="Catalaans" 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/Palindromick%C3%A9_%C4%8D%C3%ADslo" title="Palindromické číslo – Tsjechisch" lang="cs" hreflang="cs" data-title="Palindromické číslo" data-language-autonym="Čeština" data-language-local-name="Tsjechisch" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Zahlenpalindrom" title="Zahlenpalindrom – Duits" lang="de" hreflang="de" data-title="Zahlenpalindrom" data-language-autonym="Deutsch" data-language-local-name="Duits" 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%A0%CE%B1%CE%BB%CE%B9%CE%BD%CE%B4%CF%81%CE%BF%CE%BC%CE%B9%CE%BA%CF%8C%CF%82_%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82" title="Παλινδρομικός αριθμός – Grieks" lang="el" hreflang="el" data-title="Παλινδρομικός αριθμός" data-language-autonym="Ελληνικά" data-language-local-name="Grieks" 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/Palindromic_number" title="Palindromic number – Engels" lang="en" hreflang="en" data-title="Palindromic number" data-language-autonym="English" data-language-local-name="Engels" 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/Capic%C3%BAa" title="Capicúa – Spaans" lang="es" hreflang="es" data-title="Capicúa" data-language-autonym="Español" data-language-local-name="Spaans" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D9%85%D8%AA%D9%82%D8%A7%D8%B1%D9%86" title="عدد متقارن – Perzisch" lang="fa" hreflang="fa" data-title="عدد متقارن" data-language-autonym="فارسی" data-language-local-name="Perzisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Nombre_palindrome" title="Nombre palindrome – Frans" lang="fr" hreflang="fr" data-title="Nombre palindrome" data-language-autonym="Français" data-language-local-name="Frans" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Palindromsz%C3%A1mok" title="Palindromszámok – Hongaars" lang="hu" hreflang="hu" data-title="Palindromszámok" data-language-autonym="Magyar" data-language-local-name="Hongaars" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Bilangan_palindrome" title="Bilangan palindrome – Indonesisch" lang="id" hreflang="id" data-title="Bilangan palindrome" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesisch" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Numero_palindromo" title="Numero palindromo – Italiaans" lang="it" hreflang="it" data-title="Numero palindromo" data-language-autonym="Italiano" data-language-local-name="Italiaans" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9B%9E%E6%96%87%E6%95%B0" title="回文数 – Japans" lang="ja" hreflang="ja" data-title="回文数" data-language-autonym="日本語" data-language-local-name="Japans" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%8C%80%EC%B9%AD%EC%88%98" title="대칭수 – Koreaans" lang="ko" hreflang="ko" data-title="대칭수" data-language-autonym="한국어" data-language-local-name="Koreaans" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Numer_palindrom" title="Numer palindrom – Lombardisch" lang="lmo" hreflang="lmo" data-title="Numer palindrom" data-language-autonym="Lombard" data-language-local-name="Lombardisch" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AA%E0%B4%BE%E0%B4%B2%E0%B4%BF%E0%B5%BB%E0%B4%A1%E0%B5%8D%E0%B4%B0%E0%B5%8B%E0%B4%82_%E0%B4%B8%E0%B4%82%E0%B4%96%E0%B5%8D%E0%B4%AF" title="പാലിൻഡ്രോം സംഖ്യ – Malayalam" lang="ml" hreflang="ml" data-title="പാലിൻഡ്രോം സംഖ്യ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%89%E0%A4%B2%E0%A4%9F%E0%A4%B8%E0%A5%81%E0%A4%B2%E0%A4%9F_%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="उलटसुलट संख्या – Marathi" lang="mr" hreflang="mr" data-title="उलटसुलट संख्या" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Palindromtall" title="Palindromtall – Noors - Bokmål" lang="nb" hreflang="nb" data-title="Palindromtall" data-language-autonym="Norsk bokmål" data-language-local-name="Noors - Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Capicua" title="Capicua – Portugees" lang="pt" hreflang="pt" data-title="Capicua" data-language-autonym="Português" data-language-local-name="Portugees" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A7%D0%B8%D1%81%D0%BB%D0%B0-%D0%BF%D0%B0%D0%BB%D0%B8%D0%BD%D0%B4%D1%80%D0%BE%D0%BC%D1%8B" title="Числа-палиндромы – Russisch" lang="ru" hreflang="ru" data-title="Числа-палиндромы" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Palindromno_%C5%A1tevilo" title="Palindromno število – Sloveens" lang="sl" hreflang="sl" data-title="Palindromno število" data-language-autonym="Slovenščina" data-language-local-name="Sloveens" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Palindromtal" title="Palindromtal – Zweeds" lang="sv" hreflang="sv" data-title="Palindromtal" data-language-autonym="Svenska" data-language-local-name="Zweeds" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B0%E0%AF%81%E0%AE%B5%E0%AE%B4%E0%AE%BF%E0%AE%AF%E0%AF%8A%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%AE%E0%AF%8D_%E0%AE%8E%E0%AE%A3%E0%AF%8D" title="இருவழியொக்கும் எண் – Tamil" lang="ta" hreflang="ta" data-title="இருவழியொக்கும் எண்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%88%E0%B8%B3%E0%B8%99%E0%B8%A7%E0%B8%99%E0%B8%9E%E0%B8%B2%E0%B8%A5%E0%B8%B4%E0%B8%99%E0%B9%82%E0%B8%94%E0%B8%A3%E0%B8%A1" title="จำนวนพาลินโดรม – Thai" lang="th" hreflang="th" data-title="จำนวนพาลินโดรม" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Palindromik_say%C4%B1" title="Palindromik sayı – Turks" lang="tr" hreflang="tr" data-title="Palindromik sayı" data-language-autonym="Türkçe" data-language-local-name="Turks" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%9B%9E%E6%96%87%E6%95%B0" title="回文数 – Chinees" lang="zh" hreflang="zh" data-title="回文数" data-language-autonym="中文" data-language-local-name="Chinees" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E8%BF%B4%E6%96%87%E6%95%B8" title="迴文數 – Klassiek Chinees" lang="lzh" hreflang="lzh" data-title="迴文數" data-language-autonym="文言" data-language-local-name="Klassiek Chinees" class="interlanguage-link-target"><span>文言</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/Q754831#sitelinks-wikipedia" title="Taalkoppelingen bewerken" class="wbc-editpage">Koppelingen bewerken</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="Naamruimten"> <div id="p-associated-pages" 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class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Paginahulpmiddelen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Uiterlijk"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Uiterlijk</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">naar zijbalk verplaatsen</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">verbergen</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Uit Wikipedia, de vrije encyclopedie</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nl" dir="ltr"><p>Een <b>palindroomgetal</b>, ook bekend als <b>numeriek palindroom</b>, is een <a href="/wiki/Natuurlijk_getal" title="Natuurlijk getal">natuurlijk getal</a> dat hetzelfde blijft wanneer zijn cijfers in omgekeerde volgorde worden geschreven. Met andere woorden: het is "symmetrisch", zoals (bijvoorbeeld) 16461. De term is afgeleid van <a href="/wiki/Palindroom" title="Palindroom">palindroom</a>, zijnde een woord (zoals <i>rotor, lepel</i> of <i>parterretrap</i>) dat ongewijzigd blijft wanneer zijn letters in omgekeerde volgorde worden geschreven. De eerste 30 palindroomgetallen (in het <a href="/wiki/Decimaal_talstelsel" title="Decimaal talstelsel">decimaal talstelsel</a>) zijn: </p> <dl><dd>0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 111, 121, 131, 141, 151, 161, 171, 181, 191, 202, … <sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></dd></dl> <p>Palindroomgetallen vangen de meeste aandacht op het gebied van de recreatieve <a href="/wiki/Wiskunde" title="Wiskunde">wiskunde</a> (wiskunde ter vermaak). Een typerende opgave vraagt naar getallen die een zekere eigenschap bezitten <i>en</i> palindroom zijn. Bijvoorbeeld: </p> <ul><li>De <a href="/wiki/Palindroompriemgetal" title="Palindroompriemgetal">palindroompriemgetallen</a> zijn 2, 3, 5, 7, 11, 101, 131, 151, … <sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li>De palindroom-<a href="/wiki/Kwadraatgetal" title="Kwadraatgetal">kwadraten</a> zijn 0, 1, 4, 9, 121, 484, 676, 10201, 12321, … <sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Formele_definitie">Formele definitie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Palindroomgetal&veaction=edit&section=1" title="Bewerk dit kopje: Formele definitie" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Palindroomgetal&action=edit&section=1" title="De broncode bewerken van de sectie: Formele definitie"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Hoewel palindroomgetallen meestal worden beschouwd in het <a href="/wiki/Decimaal_talstelsel" title="Decimaal talstelsel">decimaal talstelsel</a>, kan het concept van <i>palindroomheid</i> op de <a href="/wiki/Natuurlijk_getal" title="Natuurlijk getal">natuurlijke getallen</a> in ieder willekeurig <a href="/wiki/Talstelsel" title="Talstelsel">talstelsel</a> worden toegepast. Beschouw een getal <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>0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> <mo>></mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n>0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/27a6a5d982d54202a14f111cb8a49210501b2c96" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.656ex; height:2.176ex;" alt="{\displaystyle n>0}"></span> in <a href="/wiki/Grondtal" title="Grondtal">grondtal</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 b>2}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>b</mi> <mo>></mo> <mn>2</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle b>2}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/25519c7f5a6a77ec063bd0331afccb5b9318c439" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.258ex; height:2.176ex;" alt="{\displaystyle b>2}"></span>, waar het in standaardnotatie wordt geschreven met <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 k+1}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>k</mi> <mo>+</mo> <mn>1</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle k+1}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/552a558062ed4c0486297b5b5531c5ee044dbd9b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:5.214ex; height:2.343ex;" alt="{\displaystyle k+1}"></span> <a href="/wiki/Cijfer" title="Cijfer">cijfers</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 a_{i}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a_{i}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0bc77764b2e74e64a63341054fa90f3e07db275f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.029ex; height:2.009ex;" alt="{\displaystyle a_{i}}"></span> als: </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 n=\sum _{i=0}^{k}a_{i}b^{i}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> <mo>=</mo> <munderover> <mo>∑</mo> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> </mrow> </munderover> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n=\sum _{i=0}^{k}a_{i}b^{i}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7377bb2b736d09110258a8ea0b40aa0f08fbc608" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.005ex; width:12.062ex; height:7.343ex;" alt="{\displaystyle n=\sum _{i=0}^{k}a_{i}b^{i}}"></span></dd></dl> <p>met, zoals gebruikelijk, <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 0\leq a_{i}<b}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>0</mn> <mo>≤</mo> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <mo><</mo> <mi>b</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 0\leq a_{i}<b}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c7da42cdd8e70f0d762cf2cd54e23bd653ddaa67" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:10.386ex; height:2.509ex;" alt="{\displaystyle 0\leq a_{i}<b}"></span> voor alle <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 i}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>i</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle i}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/add78d8608ad86e54951b8c8bd6c8d8416533d20" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:0.802ex; height:2.176ex;" alt="{\displaystyle i}"></span> en <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 a_{k}\neq 0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> </mrow> </msub> <mo>≠</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a_{k}\neq 0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0e372c79215c27f73eef5dc15528d297e25b6db5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:6.579ex; height:2.676ex;" alt="{\displaystyle a_{k}\neq 0}"></span>. Dan heet <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> <a href="/wiki/Dan_en_slechts_dan_als" title="Dan en slechts dan als">dan en slechts dan</a> een palindroomgetal als <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 a_{i}=a_{k-i}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <mo>=</mo> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>k</mi> <mo>−</mo> <mi>i</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a_{i}=a_{k-i}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3b266afc6627d839b9211bd2bc78f431f079e78c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:9.292ex; height:2.009ex;" alt="{\displaystyle a_{i}=a_{k-i}}"></span> voor alle <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 i}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>i</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle i}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/add78d8608ad86e54951b8c8bd6c8d8416533d20" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:0.802ex; height:2.176ex;" alt="{\displaystyle i}"></span>. Het getal <a href="/wiki/0_(getal)" title="0 (getal)">nul</a> wordt geschreven als 0 in ieder talstelsel, en is per definitie een palindroomgetal. </p> <div class="mw-heading mw-heading2"><h2 id="Decimale_(tientallige)_palindroomgetallen"><span id="Decimale_.28tientallige.29_palindroomgetallen"></span>Decimale (tientallige) palindroomgetallen</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Palindroomgetal&veaction=edit&section=2" title="Bewerk dit kopje: Decimale (tientallige) palindroomgetallen" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Palindroomgetal&action=edit&section=2" title="De broncode bewerken van de sectie: Decimale (tientallige) palindroomgetallen"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Decimale palindroomgetallen met een even aantal cijfers zijn altijd deelbaar door 11.</li> <li>Alle getallen (ook die in andere dan het <a href="/wiki/Decimaal_talstelsel" title="Decimaal talstelsel">decimaal talstelsel</a>) die uit één <a href="/wiki/Cijfer" title="Cijfer">cijfer</a> bestaan, zijn een palindroom. In het decimaal stelsel zijn dat er tien:</li></ul> <dl><dd><dl><dd>0, 1, 2, 3, 4, 5, 6, 7, 8, 9</dd></dl></dd></dl> <ul><li>Het aantal palindroomgetallen met twee cijfers is 9:</li></ul> <dl><dd><dl><dd>11, 22, 33, 44, 55, 66, 77, 88, 99</dd></dl></dd></dl> <ul><li>Er zijn 90 palindroomgetallen met drie cijfers: 9 keuzemogelijkheden voor het eerste cijfer – dat tevens het laatste cijfer bepaalt – maal 10 keuzemogelijkheden voor het tweede cijfer:</li></ul> <dl><dd><dl><dd>101, 111, 121, 131, 141, 151, 161, 171, 181, 191, …, 909, 919, 929, 939, 949, 959, 969, 979, 989, 999</dd></dl></dd></dl> <ul><li>Evenzo zijn er 90 palindroomgetallen met vier cijfers, omdat de keuze van het tweede cijfer tevens het derde bepaalt:</li></ul> <dl><dd><dl><dd>1001, 1111, 1221, 1331, 1441, 1551, 1661, 1771, 1881, 1991, …, 9009, 9119, 9229, 9339, 9449, 9559, 9669, 9779, 9889, 9999</dd></dl></dd></dl> <ul><li>Derhalve zijn er 199 palindroomgetallen onder de 10.000 (10<sup>4</sup>). Tot 10<sup>5</sup> zijn er 1099, en voor de volgende <a href="/wiki/Exponent" title="Exponent">exponenten</a> van 10<sup>n</sup> zijn er: 1999, 10999, 19999, 109999, 199999, 1099999, … <sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading3"><h3 id="Palindroomdata">Palindroomdata</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Palindroomgetal&veaction=edit&section=3" title="Bewerk dit kopje: Palindroomdata" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Palindroomgetal&action=edit&section=3" title="De broncode bewerken van de sectie: Palindroomdata"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Met het <a href="/wiki/Datum_(dagaanduiding)#ISO-standaarddatumformaat" title="Datum (dagaanduiding)"> datumformaat</a> jjjjmmdd is <a href="/wiki/2_december" title="2 december">2 december</a> 2021 een palindroomdatum: 20211202; daarmee zou die dag zelf een <a href="/wiki/Palindroom#Palindroomdag" title="Palindroom">palindroomdag</a> genoemd kunnen worden. </p> <div class="mw-heading mw-heading2"><h2 id="Zie_ook">Zie ook</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Palindroomgetal&veaction=edit&section=4" title="Bewerk dit kopje: Zie ook" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Palindroomgetal&action=edit&section=4" title="De broncode bewerken van de sectie: Zie ook"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Palindroompriemgetal" title="Palindroompriemgetal">Palindroompriemgetal</a></li> <li><a href="/wiki/Palindroom" title="Palindroom">Palindroom</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Externe_links">Externe links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Palindroomgetal&veaction=edit&section=5" title="Bewerk dit kopje: Externe links" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Palindroomgetal&action=edit&section=5" title="De broncode bewerken van de sectie: Externe links"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="citation"><span style="font-variant:small-caps;"><a href="/w/index.php?title=Eric_W._Weisstein&action=edit&redlink=1" class="new" title="Eric W. Weisstein (de pagina bestaat niet)">Weisstein, Eric W.</a></span>, <a rel="nofollow" class="external text" href="http://mathworld.wolfram.com/PalindromicNumber.html">Palindromic Number</a>. <i><a href="/wiki/MathWorld" title="MathWorld">MathWorld</a></i>. </span></li> <li><a rel="nofollow" class="external text" href="http://www.mathpages.com/home/kmath359.htm">On General Palindromic Numbers</a> at MathPages</li> <li><a rel="nofollow" class="external text" href="http://mathforum.org/library/drmath/view/57170.html">Palindromic Numbers to 100,000</a> from Ask Dr. Math</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20160325052212/http://users.skynet.be/worldofnumbers/cube.htm">P. De Geest, Palindromic cubes</a></li></ul> <div class="toccolours appendix" role="presentation" style="font-size:90%; margin:1em 0 -0.5em; clear:both;"> <div><b>Referenties</b></div> <ul><li><style data-mw-deduplicate="TemplateStyles:r67679320">.mw-parser-output .taalaanduiding{font-family:sans-serif;font-size:85%;cursor:help;color:var(--color-subtle,#555)}.mw-parser-output .taalaanduiding span{border-bottom:1px dotted var(--color-subtle,#555)}</style><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span>Malcolm E. Lines: <i>A Number for Your Thoughts: Facts and Speculations about Number from Euclid to the latest Computers</i>: CRC Press 1986, <span class="ISBN"><a href="/wiki/Speciaal:Boekbronnen/0-85274-495-1" title="Speciaal:Boekbronnen/0-85274-495-1">ISBN 0-85274-495-1</a></span>, S. 61 (<a rel="nofollow" class="external text" href="https://books.google.com/books?id=Am9og6q_ny4C&pg=PT69&dq=palindromic+number&lr=&as_brr=3&sig=ACfU3U2mB1VPUV1xTg17Sw0BI3XuZzvQow">Limited Online-Version (Google Books)</a>)</li> <li>Dit artikel of een eerdere versie ervan is een (gedeeltelijke) vertaling van het artikel <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org/wiki/Palindromic_number?oldid=942887456">Palindromic number</a> op de Engelstalige Wikipedia, dat onder de licentie <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/3.0/deed.nl">Creative Commons Naamsvermelding/Gelijk delen</a> valt. Zie de <a class="external text" href="https://en.wikipedia.org/wiki/Palindromic_number?offset=20200417235959&action=history">bewerkingsgeschiedenis</a></span> aldaar.<style data-mw-deduplicate="TemplateStyles:r66936091">.mw-parser-output .error-bronvermelding{color:#ff0000;font-weight:bold}.mw-parser-output .error-bronvermelding span{font-size:larger}</style></li></ul> <hr /> <div class="reflist" style="list-style-type: decimal;"><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><a rel="nofollow" class="external text" href="https://oeis.org/A002113">Palindromes in base 10</a>, <a href="/wiki/On-Line_Encyclopedia_of_Integer_Sequences" title="On-Line Encyclopedia of Integer Sequences">OEIS</a> A002113</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><a rel="nofollow" class="external text" href="https://oeis.org/A002385">Palindromic primes: prime numbers whose decimal expansion is a palindrome</a>, <a href="/wiki/On-Line_Encyclopedia_of_Integer_Sequences" title="On-Line Encyclopedia of Integer Sequences">OEIS</a> A002385</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><a rel="nofollow" class="external text" href="https://oeis.org/A002779">Palindromic squares</a>, <a href="/wiki/On-Line_Encyclopedia_of_Integer_Sequences" title="On-Line Encyclopedia of Integer Sequences">OEIS</a> A002779</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><a rel="nofollow" class="external text" href="https://oeis.org/A070199">Number of palindromes of length <= n</a>, <a href="/wiki/On-Line_Encyclopedia_of_Integer_Sequences" title="On-Line Encyclopedia of Integer Sequences">OEIS</a> A070199</span> </li> </ol></div></div> </div> <style data-mw-deduplicate="TemplateStyles:r67837862">.mw-parser-output .navigatie{position:relative;clear:both;overflow:auto;margin:1em auto -0.5em;padding:2px;background-color:var(--background-color-neutral-subtle,#f8f9fa);border:1px solid var(--border-color-base,#a2a9b1);text-align:center;font-size:87%}.mw-parser-output .navigatie-bewerken{margin-left:0.5em}.mw-parser-output .navigatie-bewerken .mw-ui-icon::before{background-size:0.9em}.mw-parser-output .navigatie-afb-links,.mw-parser-output .navigatie-afb-rechts{position:absolute}.mw-parser-output .navigatie-afb-rechts{right:2px}.mw-parser-output .navigatie-afb-groot{float:right;padding-left:0.5em}.mw-parser-output .navigatie-titel{background-color:#ddeef8;padding:2px 5.5em;font-weight:bold}.mw-parser-output .navigatie-inhoud{padding:0.5em}.mw-parser-output .navigatie-inhoud p:first-child{margin:0}.mw-parser-output .navigatie div[style*="background-color"],.mw-parser-output .navigatie div[style*="background"]{color:inherit}@media screen{html.skin-theme-clientpref-night .mw-parser-output .navigatie-titel{background-color:var(--background-color-interactive,#eaecf0)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navigatie-titel{background-color:var(--background-color-interactive,#eaecf0)!important}}</style> <div class="navigatie" role="navigation" aria-labelledby="Bijzondere_getallen"> <div class="navigatie-afb-links noviewer"><div class="navigatie-bewerken show-autoconfirmed nomobile"><span class="nowrap skin-invert-image"><span typeof="mw:File"><a href="/wiki/Sjabloon:Navigatie_bijzondere_getallen" title="Sjabloon:Navigatie bijzondere getallen"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/OOjs_UI_icon_article-ltr.svg/16px-OOjs_UI_icon_article-ltr.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/OOjs_UI_icon_article-ltr.svg/24px-OOjs_UI_icon_article-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c4/OOjs_UI_icon_article-ltr.svg/32px-OOjs_UI_icon_article-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> · <span class="ui-state-disabled" 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height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/24px-OOjs_UI_icon_edit-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/32px-OOjs_UI_icon_edit-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></div></div> <div id="Bijzondere_getallen" class="navigatie-titel">Bijzondere getallen</div> <div class="navigatie-inhoud"> <style data-mw-deduplicate="TemplateStyles:r67785531">.mw-parser-output .navigatie-tabel{margin:0 auto 0 auto;text-align:left}.mw-parser-output .navigatie-tabel .links{text-align:right}.mw-parser-output .navigatie-tabel .rechts{padding-left:0.5em}@media screen and (max-width:640px){.mw-parser-output .navigatie-tabel tr{display:grid;grid-template-columns:1fr;width:100%;margin-bottom:0.5em}.mw-parser-output .navigatie-tabel tr:last-of-type{margin-bottom:0}.mw-parser-output .navigatie-tabel .links{text-align:unset}.mw-parser-output .navigatie-tabel .rechts{padding:unset}}</style><table class="navigatie-tabel vatop" cellpadding="0" cellspacing="0" style=""><tbody><tr><td class="links" style=""><span class="nowrap"><b><a href="/wiki/Wiskundige_constante" title="Wiskundige constante">Wiskundige constanten</a>:</b></span></td><td class="rechts"><a href="/wiki/E_(wiskunde)" title="E (wiskunde)">e</a> · <a href="/wiki/Constante_van_Euler-Mascheroni" title="Constante van Euler-Mascheroni">constante van Euler-Mascheroni</a> · <a href="/wiki/Constante_van_Gelfond" title="Constante van Gelfond">constante van Gelfond</a> · <a href="/wiki/Gulden_snede" title="Gulden snede">gulden getal</a> · <a href="/wiki/6174_(getal)" title="6174 (getal)">constante van Kaprekar</a> · <a href="/wiki/Getal_van_Graham" title="Getal van Graham">getal van Graham</a> · <a href="/wiki/Getal_van_Skewes" title="Getal van Skewes">getal van Skewes</a> · <a href="/wiki/Pi_(wiskunde)" title="Pi (wiskunde)">pi</a></td></tr><tr><td class="links"><b><a href="/wiki/Verzameling_(wiskunde)" title="Verzameling (wiskunde)">Verzamelingen</a>:</b></td><td class="rechts"><a href="/wiki/Algebra%C3%AFsch_getal" title="Algebraïsch getal">algebraïsch getal</a> · <a href="/wiki/Bevriende_getallen" title="Bevriende getallen">bevriende getallen</a> · <a href="/wiki/Bijna_perfect_getal" title="Bijna perfect getal">bijna perfect getal</a> · <a href="/wiki/Complex_getal" title="Complex getal">complex getal</a> · <a href="/wiki/Evenwichtig_priemgetal" title="Evenwichtig priemgetal">evenwichtig priemgetal</a> · <a href="/wiki/Fermatgetal" title="Fermatgetal">fermatgetal</a> · <a href="/wiki/Gebrekkig_getal" title="Gebrekkig getal">gebrekkig getal</a> · <a href="/wiki/Geheel_getal" title="Geheel getal">geheel getal</a> · <a href="/wiki/Kaprekargetal" title="Kaprekargetal">kaprekargetal</a> · <a href="/wiki/Mersennepriemgetal" title="Mersennepriemgetal">mersennepriemgetal</a> · <a href="/wiki/Natuurlijk_getal" title="Natuurlijk getal">natuurlijk getal</a> · <a href="/wiki/Overvloedig_getal" title="Overvloedig getal">overvloedig getal</a> · <a class="mw-selflink selflink">palindroomgetal</a> · <a href="/wiki/Palindroompriemgetal" title="Palindroompriemgetal">palindroompriemgetal</a> · <a href="/wiki/Perfect_getal" title="Perfect getal">perfect getal</a> · <a href="/wiki/Plastisch_getal" title="Plastisch getal">plastisch getal</a> · <a href="/wiki/Praktisch_getal" title="Praktisch getal">praktisch getal</a> · <a href="/wiki/Priemgetal" title="Priemgetal">priemgetal</a> · <a href="/wiki/Priemtweeling" title="Priemtweeling">priemtweeling</a> · <a href="/wiki/Rationaal_getal" title="Rationaal getal">rationaal getal</a> · <a href="/wiki/Re%C3%ABel_getal" title="Reëel getal">reëel getal</a> · <a href="/wiki/Rekenkundig_getal" title="Rekenkundig getal">rekenkundig getal</a> · <a href="/wiki/Samengesteld_getal" title="Samengesteld getal">samengesteld getal</a> · <a href="/wiki/Semiperfect_getal" title="Semiperfect getal">semiperfect getal</a> · <a href="/wiki/Sphenisch_getal" title="Sphenisch getal">sphenisch getal</a> · <a href="/wiki/Vreemd_getal" title="Vreemd getal">vreemd getal</a></td></tr></tbody></table> </div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Overgenomen van "<a dir="ltr" href="https://nl.wikipedia.org/w/index.php?title=Palindroomgetal&oldid=63554687">https://nl.wikipedia.org/w/index.php?title=Palindroomgetal&oldid=63554687</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Categorie:Alles" title="Categorie:Alles">Categorieën</a>: <ul><li><a href="/wiki/Categorie:Getaltheorie" title="Categorie:Getaltheorie">Getaltheorie</a></li><li><a href="/wiki/Categorie:Natuurlijk_getal" title="Categorie:Natuurlijk getal">Natuurlijk getal</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Deze pagina is voor het laatst bewerkt op 30 dec 2022 om 00:26.</li> <li id="footer-info-copyright">De tekst is beschikbaar onder de licentie <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.nl">Creative Commons Naamsvermelding/Gelijk delen</a>, er kunnen aanvullende voorwaarden van toepassing zijn. 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