296713domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime p such that M(n)^2-p*M(n)-1 is prime with M(n)= Mersenne primes =A000668(n).at n=23A139428Prime numbers that in binary are palindromic and also have palindromic index.at n=8A211405Prime lucky numbers that are palindromic in base 2.at n=23A244114Prime numbersat n=25747