We found 5 dictionaries that define the word semiperfect number:

General (2 matching dictionaries)

1. Semiperfect number: Wikipedia, the Free Encyclopedia
2. semiperfect number: Wiktionary

Computing (1 matching dictionary)

3. semiperfect number: Encyclopedia

Science (2 matching dictionaries)

4. Semiperfect Number: Eric Weisstein's World of Mathematics
5. semiperfect number: PlanetMath Encyclopedia

Definitions from Wiktionary (semiperfect number) ▸ noun:  (mathematics) A number which is the sum of some, or all, of its proper divisors. ▸ Words similar to semiperfect number ▸ Usage examples for semiperfect number ▸ Idioms related to semiperfect number ▸ Wikipedia articles (New!) ▸ Words that often appear near semiperfect number ▸ Rhymes of semiperfect number ▸ Invented words related to semiperfect number