2978399domain: NPropertiesPrimalityPrimeyesAppears in sequencesQuatro-safe primes.at n=12A157359Primes p that are simultaneously of the forms 2*q+1, 4*r+3, 6*s+5 and 8*t+7 where q,r,s,t are primes.at n=16A328799Prime numbersat n=215350