The book is now available! 2129
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest Sophie Germain prime that is also a strong prime with digits that alternate in parity.

2129 is the smallest Sophie Germain prime that is also a twin prime with digits that alternate in parity.

2129, when concatenated with the next 2 primes, is prime: 212921312137 is prime. [Noll]

+ The next prime year that is the sum of three consecutive primes.

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

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