The book is now available! 479
(another Prime Pages' Curiosity)
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+ The largest known prime number that cannot be represented as the sum of less than nineteen fourth powers.

+ The absolute value of n2 - 47n + 479 isn't composite for 0 < n < 47. [Wesolowski]

+ The smallest prime that is the sum of first n Hoax numbers (22+58+84+85+94+136). [Bajpai]

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

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