Talk:First perfect square in base n with n unique digits: Difference between revisions
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(Added section about a minor optimization.) |
(→Trailing zero: Forgot to add that this only applies for bases > 2.) |
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==Trailing zero== |
==Trailing zero== |
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A minor optimization has occurred to me namely that N cannot end with '0', |
A minor optimization has occurred to me namely that N cannot end with '0', for any base greater than 2, because if it did, then N² would end with '00'. |
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However, this is impossible because: |
However, this is impossible because: |
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