171.4286
3,600 divided by 21 is 171 with remainder 9.
29.0323
4.3902
2.3056
23.4286
28.5238
21.8621
0.0784
12.7619
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 3600 is an even number.
5.25
4.2
2.625