50331653domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime with exactly n consecutive zeros in the longest run of zeros in its binary expansion.at n=21A090587Primes of the form 5+3*2^k.at n=12A211486a(n) = 3*2^n + 5*(-1)^n.at n=24A369404Prime numbersat n=3019816