Videos: Cool Numbers

These are short video series, each one a tiny introduction to a different topic in mathematics, all hung on the hook of “why a certain number is cool”.

Why 5040 is cool, or searching for “antiprimes”

Why 8 and 9 are cool (leading to the abc Conjecture)

Why -163 is cool (a taste of algebraic number theory)

Why 15 and 290 are cool (making numbers out of sums of squares)

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