Q: What is the negative version of the number 172,144,921?
A: -172,144,921
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:
| 172,144,919 | 172,144,920 | 172,144,922 | 172,144,923 |
| -172,144,919 | -172,144,920 | -172,144,922 | -172,144,923 |