Continuing with this week's theme of simple yet unproven mathematical problems, today I thought I would discuss perfect numbers. Although they appear to be simply counting numbers, they have some very unique properties and mysteries.
First though I must apologize for part of yesterday's article. As I wrote in the introduction, my aim was to provide three simple problems in number theory. And while readers did enjoy both the Erdos-Strauss conjecture and Pillai's Conjecture, it would seem that m...
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