1048589domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2^k + 13.at n=3A104067Second smallest prime after 2^n.at n=20A187872a(n) is the smallest prime greater than 2^n such that 2 is a primitive root modulo a(n).at n=20A250396Prime numbersat n=82027