🌐EnglishEnglishDeutschEspañolFrançaisItaliano中文日本語EntityQ356653· pop 6· linked from 277 articlesEuler pseudoprimeodd composite number which passes the given congruenceAvailable in 6 languagesEspañolFrançaisDeutsch中文Italianovia Wikidata sitelinks · CC0Connectionsprime numberEntityfigurate numberEntityCategoriesPseudoprimes