145007domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 3 iterations of function f(x) = 8x + 1.at n=18A023291a(1) = 1, a(n) = largest prime divisor of b(n), where b(1) = 1, b(n) = n*b(n-1) + 1 = A002627(n).at n=9A096058Prime numbers ending in James Bond number ''007''.at n=25A193552Prime numbersat n=13423