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Katie Mack and a review of her book click here
You don’t have to be professional mathematician to like or appreciate maths
Whether just casually interested in astronomy
Mathematician & inventor of 'The Game of Life'
Laptop Sleeve - Purrfect Numbers, Imperfect Us? Size:13 in Katie Mack and a reviewDesign Backstory Not Ed Sheeran purring out his Perfect lovesong but official eternal perfect numbers. These are numbers equal to the sum of their proper divisors, excluding themselves (eg 6 = 1+2+3, 28 = 1+2+4+7+14). Euclid found a general rule to find a perfect number for primes. If an integer k, if 2^k 1 is a prime then it generates a perfect number using the formula 2^(k 1) x (2^k 1) try it on your laptop! Another associated design includes a
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