231019domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that are a concatenation of 2, 3 and a prime.at n=34A101218Primes p == 1 (mod 3) such that ((p-1)/3)! == 1 (mod p).at n=8A152217Standard Jacobi primes.at n=27A275878Prime numbersat n=20524