616793domain: NPropertiesPrimalityPrimeyesAppears in sequencesWhere prime race 4m-1 vs. 4m+1 is tied.at n=12A007351Primes p such that the number of primes less than p equal to 1 mod 4 is one less than the number of primes less than p equal to 3 mod 4.at n=28A096448Fixed points for prime number permutation A108546.at n=22A108547Prime numbersat n=50375