176461domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 4 iterations of function f(x) = 5x + 8.at n=20A023316Primes p = 1 mod 6 such that all three iterations p=(6p+1) give primes = 1 mod 6.at n=32A210686Primes which are the arithmetic mean of the squares of four consecutive primes.at n=16A234364Prime numbersat n=16037