532875domain: NAppears in sequencesLeast odd primitive abundant number having its prime signature.at n=27A316116Odd numbers k for which A003961(k) > 2*k and A003961(k)-2*k OR A003961(k)-sigma(k) = A003961(k)-2*k, where OR is bitwise-or (A003986) and A003961 is fully multiplicative with a(p) = nextprime(p).at n=20A388029