117977domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p for which exactly five bases b with 1 < b < p exist such that p is a base b Wieferich prime.at n=30A255208a(n) is the smallest prime that is the sum of both 2n-1 and 2n+1 consecutive primes.at n=15A288340Lesser of twin happy primes.at n=16A387240Prime numbersat n=11132