Home›Browse›friendly number🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsTiếng ViệtTürkçeРусскийفارسی한국어中文EntityQ1707307· pop 13· linked from 227 articlesfriendly numberSign in to savenatural number sharing its abundancy index with at least one other numberAvailable in 13 languagesEspañolFrançais中文РусскийCentral KurdishEsperantoGreekTamilTiếng Việtzh_yueفارسی한국어via Wikidata sitelinks · CC0