10,989

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Number

$10,989$ (ten thousand, nine hundred and eighty-nine) is:

$3^3 \times 11 \times 37$

The $2$nd number which is reversed when multiplied by $9$:

$10 \, 989 \times 9 = 98 \, 901$

The $1$st of only $2$ numbers with $5$ digits or which has a multiple which is its reversal:

$10 \, 989 \times 9 = 98 \, 901$

Also see

• Previous  ... Next: Numbers Reversed when Multiplying by 9
• Previous  ... Next: Ratio of Number to Reversal which is Multiple

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $10,989$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $10,989$