EntityQ2654085· pop 14· linked from 100 articlesPythagorean primeSign in to savean odd prime number that is the sum of two squares; equivalently, prime of the form 4𝑛+1Connectionslist of prime numbersEntityPerrin numberEntityInternational Standard Book NumberEntitycomplex numberEntityprime numberEntityPythagorean theoremEntity11EntityQ37141Entity17Entity19Entitydigital object identifierEntity23Entity29Entity31Entity47Entity43Entity41Entity37Entityright triangleEntity53EntityCategoriesClasses of prime numbersSquares in number theory