43,046,721

Number
$43 \, 046 \, 721$ is:
 * $3^{16}$


 * The $6561$st square number:
 * $43 \, 046 \, 721 = 6561 \times 6561$


 * The $81$st fourth power:
 * $43 \, 046 \, 721 = 81 \times 81 \times 81 \times 81$


 * The $9$th eighth power after $1$, $256$, $6561$, $65 \, 536$, $390 \, 625$, $1 \, 679 \, 616$, $5 \, 764 \, 801$, $16 \, 777 \, 216$:
 * $43 \, 046 \, 721 = 9 \times 9 \times 9 \times 9 \times 9 \times 9 \times 9 \times 9$


 * The $16$th power of $3$ after $(1)$, $3$, $9$, $27$, $81$, $243$, $729$, $2187$, $6561$, $19 \, 683$, $59 \, 049$, $177 \, 147$, $531 \, 441$, $1 \, 594 \, 323$, $4 \, 782 \, 969$, $14 \, 348 \, 907$:
 * $43 \, 046 \, 721 = 3^{16}$


 * The $8$th power of $9$ after $(1)$, $9$, $81$, $729$, $6561$, $59 \, 049$, $531 \, 441$, $4 \, 782 \, 969$:
 * $43 \, 046 \, 721 = 9^8$