2134519domain: NPropertiesPrimalityPrimeyesAppears in sequencesInitial prime in first sequence of n primes congruent to 4 modulo 5. The first prime in a sequence of length n all ending with the digit 9.at n=5A057636Initial primes of four consecutive primes with consecutive gaps 10, 20, 30.at n=20A351662Prime numbersat n=158182