5178193domain: NPropertiesPrimalityPrimeyesAppears in sequencesLesser of two successive primes p1, p2, where p2-p1 (gap) includes at least one entire primeless century.at n=6A158957Primes p such that q = p^2 - 2, r = q^2 - 2, s = r^2 - 2 and t = s^2 - 2 are all prime.at n=3A253264Prime numbersat n=360015