Home›Browse›hemiperfect number🌐EnglishEnglishEspañolFrançaisSvenskaРусский한국어中文EntityQ3281256· pop 10· linked from 221 articleshemiperfect numberSign in to savenumber with a half-integer abundancy indexAvailable in 10 languagesEspañolFrançais中文РусскийHungarianSvenskaTamilUkrainianzh_yuevia Wikidata sitelinks · CC0