The book is now available! 769
(another Prime Pages' Curiosity)
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Participate: 		+ The prime 769 equals
sqrt(590593+sqrt(590593-sqrt(590593+sqrt(590593-...)))).
Note 590593 is a prime. [Caldwell]

+ prime(769) = prime(7)*prime(6)*prime(9) + phi(769). The prime 769 is the only known number (up to 2*10^9) with this property. [Firoozbakht]

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