The Reciprocals of Primes - Numberphile
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Witness Numbers (and the truthful 1,662,803) - Numberphile
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What's special about 277777788888899? - Numberphile
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What's so special about the Mandelbrot Set? - Numberphile
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¿Por qué los números primos forman estas espirales? | Teorema de Dirichlet y aproximaciones pi
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The Light Switch Problem - Numberphile
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New divisibility rule! (30,000 of them)
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A Surprising Pi and 5 - Numberphile
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