The book is now available! 919
(just those submitted by Silva)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Silva': (Click here to show all)

+ The smallest palindromic prime equal to the difference of consecutive cubes (18^3-17^3). [Silva]

+ The sum of the digits of first non-trivial palindromic primes up to 919 is another palindromic prime. [Silva]

+ The smallest palindromic prime of the form 3ab+1, for a,b consecutive integers (17,18). [Silva]

+ 919 is the sum of a semiprime number of consecutive semiprimes:221+226+235+237. Curiously 919 results from de projection of a semiprime. [Silva]

(There are 2 curios for this number that have not yet been approved by an editor.)

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