33554393domain: NPropertiesPrimalityPrimeyesAppears in sequencesLargest prime <= 2^n.at n=24A014234Largest prime factor of the odd Catalan number A038003(n).at n=22A120274Primes p such that p AND q = 1, where q is the next prime after p and AND is the bitwise operation.at n=8A334150Prime numbersat n=2063689