Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
perf.
perfect
perfect binding
perfect capital market
perfect competition
perfect game
perfect gas
perfect hedge
perfect number
perfect participle
perfect pitch
perfect rhyme
perfect square
perfect title
perfecta
perfected first lien
perfection
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

perfect number
per·fect num·ber (plural per·fect num·bers)


noun 
Definition:
 
kind of whole number: a positive whole number that is equal to the sum of the numbers that can be multiplied to give it as a result, excluding itself
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft