Hakuluettelo:
Käännös:
hyperdeficient (suomeksi)
- Määritelmät:
- extremely, Extremely deficient.
- (label, en, mathematics, number theory) Having the property that, for some positive integer ''k'', δk(n) > 0, where δk(n) = n(k+1) +(k-1) –kσ(n) and σ(''n'') is the sum of the positive divisors of ''n''.