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Mirror multiplication (Posted on 2016-07-31) Difficulty: 4 of 5
12*42=24*21
&
203313*657624=426756*313302

are the smallest and the largest samples I provide for
mirror multiplication

Please provide additional pairs.

No Solution Yet Submitted by Ady TZIDON    
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Comments: ( Back to comment list | You must be logged in to post comments.)
To exclude also "half-palindromes" | Comment 3 of 8 |
There is also the category of half-palindromes that become palindromes when they are mirrored

81*18
281*182
And so on

This are also to be excluded I suppose

  Posted by armando on 2016-07-31 15:44:04
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