The book is now available! 12251
(another Prime Pages' Curiosity)
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Participate: 		+ 12251 = prime(sigma((1+2+2+5+1)^3 )). Note that the prime 12251 is the smallest number with this property. [Firoozbakht]

+ The smallest prime formed from the concatenation of the first n consecutive digits of the ratio of the volume of a regular tetrahedron to the volume of the circumscribed sphere. [Post]

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