The book is now available! 2777
(another Prime Pages' Curiosity)
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+ 2777 = 12 + 23 + 35 + 47 + 511 + 613 + 717 + 819, where each addend is the concatenation of n and the nth prime. (2777 is the smallest prime formed in this manner.) [Poo Sung]

(There are 2 curios for this number that have not yet been approved by an editor.)




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