1642769domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 5 iterations of function f(x) = 5x + 6.at n=15A023343a(n) is the smallest number whose odd hailstone sequence has length n (including 1 and itself) and is in descending order.at n=14A330732Prime numbersat n=124127