Q: Is 21,136 a Composite Number?
A: Yes, 21,136 is a composite number.
The number 21,136 can be evenly divided by 1 2 4 8 16 1,321 2,642 5,284 10,568 and 21,136, with no remainder.
Since 21,136 cannot be divided by just 1 and 21,136, it is a composite number.