8553599domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 16*k-1 such that 4*k-1, 8*k-1, 32*k-1 and 64*k-1 are also primes.at n=19A101997Primes of the form 32*k-1 such that 4*k-1, 8*k-1, 16*k-1 and 64*k-1 are also primes.at n=10A101998Prime numbersat n=574525