That's correct.
81 is divisible by 1, 3, 9, 27 and 81
No - 3/81 = 0.037 recurring (that is, 0.037037037...)
"What is divisible by 81?" Any multiple of 81 is divisible by 81. For example, all of the following are divisible by 81: 81 = 1 x 81 162 = 2 x 81 243 = 3 x 81 324 = 4 x 81 and so on. ========================================= Did you mean to ask "What is 81 divisible by?" 81 is divisible by 1, 3, 9, 27, 81.
They're not. 81 is divisible by 1, 3, 9, 27, and 81. Those are called the "factors" of 81, because each of them divides evenly into 81 with no remainder.
1, 3, 9, 27, 81
27
27
Everything's divisible. 243 is divisible by 1, 3, 9, 27, 81 and 243.
1, 3, 9, 27, 81 and 243.
30
Yes. Test a couple numbers divisible by 9--27, 81--and they are all divisible by 3.
Yes. 81 divided by 3 equals 27.