IMPERFECT a.
-- Imperfect number (Math.), a number either greater or less than the sum of its several divisors; in the former case, it is called also a defective number; in the latter, an abundant number. -- Imperfect obligations (Law), obligations as of charity or gratitude, which cannot be enforced by law. -- Imperfect power (…
PERFECT a.
ird, fifth, and octave. -- Perfect number (Arith.), a number equal to the sum of all its divisors; as, 28, whose aliquot parts, or divisors, are 14, 7, 4, 2,