51503domain: NPropertiesPrimalityPrimeyesAppears in sequencesBase-6 pandigital primes: primes having at least one of each digit 0,1,2,3,4,5 when written in base 6.at n=13A175278Number of (n+2) X (2+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00001011 00010101 or 01010101.at n=13A261374Prime numbersat n=5271