The book is now available! 11933...33911 (41-digits)
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                               1 1933316181 5121713302 0331712151 8161333911
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2 30203 133020331 1713302033171 12171330203317121 151217133020331712151 1815121713302033171215181 16181512171330203317121518161 331618151217133020331712151816133 9333161815121713302033171215181613339 11933316181512171330203317121518161333911
The largest palindromic prime in a palindromic prime pyramid of step size two, where each palindromic prime is the smallest palindromic prime that contains the palindromic prime in the row above. Note that "11" mysteriously appears on the ends of row 11, reminding us that all palindromic numbers greater than 11, containing an even number of digits, are divisible by 11.

 

  Submitted: 2002-12-29 13:57:43;   Last Modified: 2009-07-20 06:20:07.



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