16286445

Appears in sequences

• Odd numbers n such that abs(sigma(n)-2n) <= n^(1/3). Abundance-radius = abs(sigma(n)-2n) does not exceed cubic root of n and n is odd.at n=21A088010
• Odd numbers whose abundancy is closer to 2 than any smaller odd number.at n=17A171929
• Odd deficient numbers whose abundancy is closer to 2 than any smaller odd deficient number.at n=15A188597
• Numbers m with deficiency 90: sigma(m) - 2*m = -90.at n=9A389702