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Hello there.

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

Problems with Zero

Problems with Zero

Dividing by zero, zero divided by zero and zero to the power of zero - all pose problems!

This video features Matt Parker and James Grime - https://twitter.com/standupmaths and https://twitter.com/jamesgrime

Vampire Numbers

Vampire Numbers

Avogadro's Number (Mole)

Avogadro's Number (Mole)