The book is now available! 5
(another Prime Pages' Curiosity)
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The nth Prime Page will now find any of the first 2.623˙1015 primes or π(x) for x up to 1017.

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All the solutions of n = pi(2n) are nonnegative integers less than 5. [Firoozbakht]


  Submitted: 2004-09-20 11:48:30;   Last Modified: 2009-01-19 12:02:34.

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