40,320

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Number

$40 \, 320$ (forty thousand, three hundred and twenty) is:

$2^7 \times 3^2 \times 5 \times 7$


The $8$th factorial after $1$, $2$, $6$, $24$, $120$, $720$, $5040$:
$40 \, 320 = 8! = 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1$


Also see


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $40,320$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $40,320$
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