16,807

Number
$16 \, 807$ (sixteen thousand, eight hundred and seven) is:
 * $7^5$


 * The $5$th power of $7$ after $(1)$, $7$, $49$, $343$, $2401$:
 * $16 \, 807 = 7^5$


 * The $7$th fifth power after $1$, $32$, $243$, $1024$, $3125$, $7776$:
 * $16 \, 807 = 7 \times 7 \times 7 \times 7 \times 7$