85009domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 1+2*n+3*n^2.at n=23A122430Numbers k such that (19^k - 5^k)/14 is prime.at n=8A128354Primes having only {0, 5, 8, 9} as digits.at n=34A386081Prime numbersat n=8278