8997

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Number

$8997$ (eight thousand, nine hundred and ninety-seven) is:

$3 \times 2999$

The $3$rd after $6999$, $7998$ of the $4$-digit integers $m$ which need the largest number of reverse-and-add process iterations ($20$) before reaching a palindromic number:

$8997$, $16995$, $76956$, $\ldots$, $16668488486661$

Also see

• Previous  ... Next: 4-Digit Numbers forming Longest Reverse-and-Add Sequence