The book is now available! 274961
(another Prime Pages' Curiosity)
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+ 2*7*4*9*6*1 + 274961 = 1^2+2^7+3^4+4^9+5^6+6^1. Note that the prime 274961 is the only known number (up to 10^8) with such property. [Firoozbakht]




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