119321domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime p of two consecutive primes, p < q, such that gcd( p-1, q-1 ) = 2n.at n=18A058264Smallest prime of the form 1 followed by a perfect power.at n=25A089773Primes p such that q - p = 38, where q is the next prime after p.at n=27A134118Prime numbersat n=11244