The book is now available! 1627
(another Prime Pages' Curiosity)
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Participate: 		+ The start of the first occurrence of three consecutive primes ending with the digit seven (1627, 1637, 1657). [Murthy]

+ The sum 2^(1/2)+3^(1/2)+5^(1/2)+...+43^(1/2)+47^(1/2) differs from the fraction 1627/(5^2) by less than 1/(2*10^5). Note that 1627 is prime. [Rupinski]

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