🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsTiếng ViệtРусский中文日本語EntityQ5151604· pop 12· linked from 282 articlesfortunate numberthe smallest integer which yields a prime number when added to a given primorialAvailable in 12 languagesEspañolFrançaisDeutsch中文日本語РусскийBanglaGreekHungarianTiếng ViệtConnectionsprime numberEntityfigurate numberEntityCategoriesInteger sequencesPrime numbers