Penholodigital Properties of 123,456,789/Examples/8

Puzzle

Place in a row $9$ digits each different from the others.
Multiply them by $8$, and the product shall still consist of $9$ different digits.


Solution

$123 \, 456 , 789 \times 8 = 987 \, 654 \, 312$


Sources

  • 1821: John Jackson: Rational Amusement for Winter Evenings
  • 1992: David Wells: Curious and Interesting Puzzles ... (previous) ... (next): Rational Amusements for Winter Evenings: $150$
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