47339domain: NPropertiesPrimalityPrimeyesAppears in sequencesSafe primes (A005385) (p and (p-1)/2 are primes) such that 12*p+1 is also prime.at n=76A075707Beginning with 13, least prime such that concatenation of first n terms and its digit reversal both are primes.at n=22A382898Prime numbersat n=4881