The book is now available! 1439
(another Prime Pages' Curiosity)
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+ 2!*3!*5! - 1 is an emirp with prime digital sum. [Patterson]

+ The sums of the squares, cubes, fourth, fifth, and sixth powers of the digits of this prime are also primes. [Silva]

+ The smallest of the first four consecutive safe primes that are all emirps (1439, 1487, 1523, 1619). [Loungrides]

(There are 4 curios for this number that have not yet been approved by an editor.)




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