The number 9 times another number makes 81.
1 x 81, 3 x 27, 9 x 9, 27 x 3, 81 x 1.
How about: 9 times 9 = 81 or 81 times 1 = 81
81 times 7 or 7 times 81 equals 567
1 goes into 81 81 times.
81 times 8 = 648
6561
9x9=81
9 x 9 = 81 because if you count 9 times it would make up or be 81
6,561
If you mean: 9 times 9 = 81
1 times 81 3 times 27 9 times 9