Q: What is the negative version of the number 21,143,831?
A: -21,143,831
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:
| 21,143,829 | 21,143,830 | 21,143,832 | 21,143,833 |
| -21,143,829 | -21,143,830 | -21,143,832 | -21,143,833 |