Witness Numbers (and the truthful 1,662,803) - Numberphile
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8:24
The 10,958 Problem - Numberphile
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17:25
Finite Fields & Return of The Parker Square - Numberphile
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23:41
An unexciting video about distance derivatives
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19:30
The longest mathematical proof ever
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14:24
What's special about 277777788888899? - Numberphile
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18:37
How on Earth does ^.?$|^(..+?)\1+$ produce primes?
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15:31
The Reciprocals of Primes - Numberphile
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21:40