53959domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 6n^2 - 2n - 1.at n=31A099007Primes which are triangular numbers plus 3.at n=29A159047Primes having only {3, 5, 9} as digits.at n=39A260227Centered 23-gonal primes.at n=5A276263Prime numbersat n=5498