Q: What is the negative version of the number 21,513,781?
A: -21,513,781
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
21,513,779 | 21,513,780 | 21,513,782 | 21,513,783 |
-21,513,779 | -21,513,780 | -21,513,782 | -21,513,783 |