Square of Small-Digit Palindromic Number is Palindromic/Examples/111
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Example of Square of Small-Digit Palindromic Number is Palindromic
- $111^2 = 12321$
Proof
111 x 111 ----- 111 1110 11100 ----- 12321
$\blacksquare$
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $22$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $22$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $12,321$