87988709domain: NPropertiesPrimalityPrimeyesAppears in sequencesInitial members of prime septuplets (p, p+2, p+8, p+12, p+14, p+18, p+20).at n=19A022010Initial primes in prime septuplets (p, p+2, p+8, p+12, p+14, p+18, p+20) preceding the maximal gaps in A201251.at n=7A201252Initial members of prime septuplets.at n=31A257124Prime numbersat n=5107232