A Perfect Word

Authors

Anil, Word WaysFollow

Abstract

Perfect numbers (PNs) are integers whose factors sum to the number, like 6 (=1+2+3). Euclid gave a formula for finding them: if 2ⁿ - 1 is prime then 2^{n - 1}(2ⁿ - 1) is a PN. There are only five PNs below ten billion: 6, 28, 496, 8128 and 33,550,336.

Recommended Citation

Anil, (2009) "A Perfect Word," Word Ways: Vol. 40 : Iss. 2 , Article 32.
Retrieved from: https://digitalcommons.butler.edu/wordways/vol40/iss2/32