🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisPortuguêsSvenskaРусский한국어中文日本語EntityQ2654085· pop 14· linked from 100 articlesPythagorean primeAlso known as 4n+1 primean odd prime number that is the sum of two squares; equivalently, prime of the form 4𝑛+1Available in 14 languagesEspañolFrançaisDeutsch中文日本語РусскийBahasa IndonesiaDanishFinnishHungarianConnectionslist of prime numbersEntityPerrin numberEntityCategoriesClasses of prime numbersSquares in number theory