Square of Small-Digit Palindromic Number is Palindromic/Examples/11,111

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Example of Square of Small-Digit Palindromic Number is Palindromic

$11 \, 111^2 = 123 \, 454 \, 321$


Proof

    11111
x   11111
---------
    11111
   111110
  1111100
 11111000
111110000
---------
123454321

$\blacksquare$

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