252949domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p+2, p+4, p+6, p+8, p+10 and p+12 are all semiprime.at n=16A241483Primes p such that p+2, p+4, p+6, p+8, p+10 are semiprimes.at n=33A241959Prime numbersat n=22278