Wolfram Demonstrations Project
7899

Magic Multiplications with Digits

See some patterns generated by arithmetic involving numbers whose digits increase, decrease, or are repeated, or by multiples of some digit. Try to figure out why these curious patterns appear.

THINGS TO TRY

SNAPSHOTS

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DETAILS

A. H. Beiler, Recreations in the Theory of Numbers: The Queen of Mathematics Entertains, New York: Dover Publications, 1964.

RELATED LINKS

PERMANENT CITATION

"Magic Multiplications with Digits" from the Wolfram Demonstrations Project
 http://demonstrations.wolfram.com/MagicMultiplicationsWithDigits/
Contributed by: Enrique Zeleny




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