1,111,111

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Number

$1 \, 111 \, 111$ (one million, one hundred and eleven thousand, one hundred and eleven) is:

$239 \times 4649$

The $7$th repuint after $1$, $11$, $111$, $1111$, $11 \, 111$, $111 \, 111$

The $38$th palindromic integer whose square is also palindromic integer:

$1 \, 111 \, 111^2 = 1 \, 234 \, 567 \, 654 \, 321$

Also see

• Previous  ... Next: Repunit
• Previous  ... Next: Square of Small-Digit Palindromic Number is Palindromic

No further terms of this sequence are documented on $\mathsf{Pr} \infty \mathsf{fWiki}$.