Home›Integer sequences›idoneal number🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsTiếng Việt中文日本語EntityQ3879415· pop 10· linked from 228 articlesidoneal numberMathematical concept in prime numbersAvailable in 10 languagesEspañolFrançaisDeutsch中文ItalianoCatalanemlNorwegianTiếng Việtvia Wikidata sitelinks · CC0Connectionsprime numberEntityfigurate numberEntityCategoriesInteger sequencesLeonhard EulerUnsolved problems in number theory