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[ September 28, 2013 ] every digit (246913578) and divided by 2 also has every digit (61728394.5) and one can continue to multiply by 2 or divide by 2 for a few more times and the result always has every digit. Is this common knowledge or does it have a simple mathematical | |||
A000185 Prime Curios! Prime Puzzle Wikipedia 185 Le nombre 185 |
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