10,000

Number
$10 \, 000$ (ten thousand) is:


 * $2^4 \times 5^4$


 * The $10$th fourth power after $1$, $16$, $81$, $256$, $625$, $1296$, $2401$, $4096$, $6561$:
 * $10 \, 000 = 10 \times 10 \times 10 \times 10$