69833domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 4 iterations of function f(x) = 9x + 2.at n=28A023324Non-palindromic primes which on subtracting their reversal gives perfect cubes.at n=33A080178Numbers k such that (3^k + 11^k)/14 is prime.at n=5A128070Prime numbersat n=6923