6561

Number
$6561$ (six thousand, five hundred and sixty-one) is:


 * $3^8$


 * The $9$th fourth power after $1, 16, 81, 256, 625, 1296, 2401, 4096$:
 * $6561 = 9 \times 9 \times 9 \times 9$


 * The $3$rd eighth power after $1, 256$:
 * $6561 = 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3$