Q: What is the negative version of the number 21,131,497?
A: -21,131,497
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:
| 21,131,495 | 21,131,496 | 21,131,498 | 21,131,499 |
| -21,131,495 | -21,131,496 | -21,131,498 | -21,131,499 |