perfect number: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Invalidated site: Stanford University - Perfect numbers. Sep 07, 2026
Top questions added. Feb 27, 2026
Add new Web site: International Journal of Research and Analytical Reviews - Perfect Numbers (PDF). Sep 20, 2025
Add new Web site: Cambridge University Press and Assessment - Note for the Perfect Numbers (PDF). Jul 02, 2025
Add new Web site: Stanford University - Perfect numbers. May 07, 2025
Add new Web site: CiteSeerX - Perfect Numbers and Finite Groups. Mar 12, 2025
Add new Web site: Academia - On Near Perfect Numbers (PDF). Jan 30, 2025
Add new Web site: University of the Pacific Libraries - Scholarly Commons - Perfect Numbers. Dec 06, 2024
Add new Web site: Digital Commons at the Georgia Academy of Science - The Mathematical Magic of Perfect Numbers. Oct 09, 2024
Add new Web site: Mathematics LibreTexts - Perfect Numbers and Mersenne Primes. Jun 10, 2024
Add new Web site: DigitalCommons@University of Nebraska - Lincoln - Perfect Numbers. May 17, 2024
Add new Web site: East Tennessee State University - Perfect Numbers. Dec 22, 2023
Add new Web site: Boston University - Department of Mathematics and Statistics - Perfect Numbers. Jun 23, 2023
Add new Web site: Dartmouth College - Department of Mathematics - On the radical of a perfect number. Apr 12, 2023
Corrected display issue. Jul 03, 2018
Add new Web site: Wolfram MathWorld - Perfect Number. Jan 24, 2014
Added new Web site: MacTutor History of Mathematics Archive - Perfect numbers.
  • Gaurav Shukla
Nov 21, 2006
New article added. Mar 12, 2004
View Changes:
Article History
Revised:
By: