1610612727domain: NAppears in sequencesLeast number m such that the arithmetic mean of the distinct prime divisors of m is equal to 2^n.at n=27A070009Least semiprime whose sum of prime factors equals 2^n.at n=27A193226Least k such that the sum of the distinct prime divisors of k equals m^n for some m > 1.at n=28A194230