File:Visual proof even perfect numbers are triangular.svg
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Summary
| Description | Proof without words that even perfect numbers are triangular by CMG Lee based on http://youtube.com/watch?v=-dwSzCLaso4 . |
| Source | Own work |
| Author | Cmglee |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International, 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:47, 28 April 2026 | | 512 × 384 (9 KB) | Cmglee | Add arrow to indicate rotation |
| 08:19, 27 April 2026 |  | 512 × 384 (9 KB) | Cmglee | {{Information |Description=Proof without words that perfect numbers are triangular by CMG Lee based on http://youtube.com/watch?v=-dwSzCLaso4 . |Source={{own}} |Date= |Author= Cmglee |Permission= |other_versions= }} Category:SVG orb Category:proof without words Category:triangular numbers Category:perfect number |
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