1619507domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p+2, p+4, p+6, p+8, p+10 and p+12 are all semiprime.at n=29A241483Primes p such that p+2, p+4, p+6, p+8, p+10, p+12 and p+14 are all semiprime.at n=5A268862Prime numbersat n=122503