156521domain: NPropertiesPrimalityPrimeyesAppears in sequencesBase 7 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,2.at n=6A037548Primes equal to a centered 9-gonal number plus 1.at n=38A285812Balanced primes of order fourteen.at n=31A300365Prime numbersat n=14396