Numbers Are Forever

This book is only about numbers - that is, whole numbers and nothing but the whole numbers, which start from 0, 1, 2, 3, 4 ...and go on forever. Here you can meet perfect numbers, happy numbers, lucky, untouchable, weird, narcissistic, evil and deficient numbers, not to mention nice Friedmans and multi-legged repunits, as well as primes and their cousins,... Více

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