The book is now available! 2617
(another Prime Pages' Curiosity)
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+ The first prime partial sum of more than one smallest number that contains the first n primes as substrings: 2 + 23 + 235 + 2357 = 2617 is prime. [Post]

+ The largest prime index of a mountain prime p in the sequence of mountain primes, i.e., p=123457897654321. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

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