71604733domain: NPropertiesPrimalityPrimeyesAppears in sequencesOdd integers m such that for every integer k>0, m*2^k-1 has a divisor in the set {3, 5, 7, 13, 37, 73, 109}.at n=8A244074Riesel numbers that have at least two covering sets.at n=3A263392Prime numbersat n=4206919