The Pythagoreans of ancient Greece were fascinated by whole numbers. One particular interest involved what we now call amicable numbers. Amicable numbers come in pairs in which each number is the sum ...
When UCLA mathematician Terence Tao appeared on The Colbert Report in November 2014, viewers learned that prime numbers can be "sexy"—if they’re six apart, that is, like 5 and 11. Though sexy may be ...
Mona Lisa’s smile. Mary Lou Retton’s Olympic vault. Mariah Carey’s musical pitch. All are considered perfect. So are the numbers 6 and 28. With feats of artistry and athleticism, perfection lies in ...
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