The next number is 243, because 81x3=243.
-243
243
1, 3, 9, 27, 81, 243, -1, -3, -9, -27, -81, -243
27 times 3 = 81
9 243 - 81 = 162 81 - 27 = 54 162 = 54 * 3 54 = 18 * 3 27 - 18 = 9
It is 3 times 81 = 243
The next number is 243, because 81x3=243.
243
-243
243
If you mean: 1 3 9 27 81 then it is 3*81 = 243
243
1, 3, 9, 27, 81, 243, -1, -3, -9, -27, -81, -243
All factors of 243 are: -243, -81, -27, -9, -3, -1, 1, 3, 9, 27, 81, and 243.
1, 3, 9, 27, 81, 243, 729
Yes, 243 is divisible by 1, 3, 9, 27, 81, 243.