The book is now available! 106
(another Prime Pages' Curiosity)
Prime Curios!
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+ The sum of the first 106 digits of pi is prime. [Sellers]

+ 1062 minus its prime factors squared (532 - 22) is prime. [Sladcik]

+ 106^106-105^105 is prime. [Dobb]

+ The first occurence of over 100 successive non-semiprimes (5238280947-5238281052). [Luhn]

+ The smallest multidigit invertible semiprime. Note that it ends with the smallest single-digit invertible semiprime. [Capelle]



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