39 is divisible by 3. It equals 13. You can tell if a number is divisible by 3 by adding up the digits in the number and see if it is divisible by three. Here's and example:
197
1+9+7= 17 and 17 isn't divisible by three.
576
5+7+6= 18 and 3 goes into 18 6 times so it is divisible by 3
No.
no
None
108.33
No. It is divisible by 1, 11, 23, 253.
Yes.
yes, 81
Yes, 12 times.
Yes, 51 times.
5890 ÷ 3 = 1963.33 recurring.
Any multiple of 3, for example 3636302412
Yes: 471 / 3 = 157