Dictionary

hyperdeficient en · ADJ

Etymology

From hyper- + deficient.

Meanings

1. Extremely deficient.
2. 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.

Forms