🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPortuguêsSvenskaTiếng ViệtРусскийالعربية한국어中文日本語EntityQ1318413· pop 16· linked from 293 articlesdouble Mersenne numbernumbers of the form 2^{2^p-1}-1, where p and 2^p-1 are prime numbersConnectionsMersenne primeEntityPerrin numberEntityCategoriesInteger sequencesLarge integersMersenne primesUnsolved problems in number theory