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Finding non-palindromic numbers by multiplying with their reversals Find a non-palindromic number that when multiplied with its reversal becomes palindromic.The numbers 12 and 102 already are valid candidates : 12 x 21 = 252 Other solutions are e.g. 112, 1112 Guessing other numbers should be easy once you discover the hidden pattern ! | |||
A000044 Prime Curios! Prime Puzzle Wikipedia 44 Le Nombre 44 Numberland 44 |
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