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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

153 and Narcissistic Numbers

153 and Narcissistic Numbers

We use 153 as an example of a narcissistic number.

Video features Dr Ria Symonds from the University of Nottingham.

31 and Mersenne Primes

31 and Mersenne Primes

15 bumfit

15 bumfit