Q: Is 21,006 a Composite Number?
A: Yes, 21,006 is a composite number.
The number 21,006 can be evenly divided by 1 2 3 6 9 18 27 54 389 778 1,167 2,334 3,501 7,002 10,503 and 21,006, with no remainder.
Since 21,006 cannot be divided by just 1 and 21,006, it is a composite number.