9888887domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes which are 1 + strobogrammatic numbers A000787(n): the same upside down.at n=12A105268Numbers k such that k and k^2 use only the digits 0, 6, 7, 8 and 9.at n=32A136966Prime numbersat n=657751