1000

Number

$1000$ (one thousand or a thousand) is:

$2^3 \times 5^3$

The $3$rd power of $10$ after $(1)$, $10$, $100$:

$1000 = 10^3$

The $10$th cube number after $1$, $8$, $27$, $64$, $125$, $216$, $343$, $512$, $729$:

$1000 = 10 \times 10 \times 10$

$1000 = 10^3$ in any base whatsoever.

The number $1000$ is expressed in Roman numerals as $\mathrm M$.

This originates from the first letter of the Latin word mille (pronounced millay), meaning $1000$.