1/3 of 81 = 27
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81
The multiples of 81 are infinite. The factors of 81 are: 1, 3, 9, 27, 81.
No, these are the factors of 81: 1, 3, 9, 27, 81.
-1 × 81 -3 × 27 -9 × 9 -27 × 3 -81 × 1
9 x 9 = 81 9 squared = 81 3 squared times 3 squared = 81