110593domain: NAppears in sequencesStrong pseudoprimes to base 48.at n=37A020274Pierpont 4-almost primes: numbers with exactly 4 prime divisors, not necessarily distinct, of the form 2^K*3^L + 1.at n=4A111344Löschian numbers (A003136) of the form k^3+1.at n=19A271185