78713domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form floor((10/9)^k).at n=18A067903Prime factors in a divisibility sequence of the Lucas sequence v(P=3,Q=5) of the second kind.at n=28A164816Primes whose base-6 representation is a square when read in base 10.at n=22A267820Prime numbersat n=7722