3214090

Appears in sequences

• Numbers whose deficiency is 20: sigma(k) - 2*k = -20.at n=10A223607
• Numbers k such that sigma(k) == 0 (mod k-10).at n=18A274566
• Unitary barely deficient numbers: unitary deficient numbers k such that usigma(k)/k > usigma(m)/m for all unitary deficient numbers m < k, where usigma(k) is the sum of the unitary divisors of k (A034448).at n=16A302572
• Infinitary barely deficient numbers: infinitary deficient numbers whose infinitary abundancy is closer to 2 than that of any smaller infinitary deficient number.at n=17A336252