131687domain: NPropertiesPrimalityPrimeyesAppears in sequencesClass 8- primes.at n=19A081427Numbers m such that m and all of its even complements from 2 to 10 are primes. In other words, m and j^k - m (where k is the smallest power of j such that j^k > m) are prime for all of the following values of j: 2, 4, 6, 8, 10.at n=19A086082Prime numbersat n=12299