12,321

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Number

$12 \, 321$ (twelve thousand, three hundred and twenty-one) is:

$3^2 \times 37^2$


The $3$rd Wonderful Demlo number after $1$, $121$


The $111$th square number:
$12 \, 321 = 111 \times 111$


A palindromic square of a palindromic number


Also see


  • Previous  ... Next: Wonderful Demlo Number
  • Previous  ... Next: Square Number


Sources

  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $12,321$
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