Q: What is the negative version of the number 21,231,881?
A: -21,231,881
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:
| 21,231,879 | 21,231,880 | 21,231,882 | 21,231,883 |
| -21,231,879 | -21,231,880 | -21,231,882 | -21,231,883 |