171401domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k^2 + 5.at n=20A056905Primes of form p*q + 30, where p and q are consecutive primes.at n=33A229570SanD-68 primes p: such that p+d is also prime and sum of digits A007953(p(p+d)) = d, with d = 68.at n=38A307474Prime numbersat n=15614