1994339domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest member of Sophie Germain pair, where each member of the prime pair is the smallest of its prime triple (p, p+2, p+8).at n=13A237188Number of primes of the form k*2^n + 1 with k < 2^n.at n=24A331540Prime numbersat n=148524