The book is now available! 477
(another Prime Pages' Curiosity)
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Chris K. Caldwell <caldwell@utm.edu>

+ 477 = 89 + 83 + 67 + 61 + 53 + 47 + 41 + 29 + 5 + 2 . It's the smallest number which is sum of different primes by using twice all the digits greater than zero. [Capelle]

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




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