🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaРусскийالعربيةفارسی한국어中文日本語EntityQ593418· pop 20Proth numberAlso known as Proth primenumber of the form k * 2^n + 1 where 2^n > kAvailable in 20 languagesEspañolFrançais中文日本語РусскийPortuguêsItalianoالعربيةCatalanCzechFinnish