Q: What is the negative version of the number 21,172,149?
A: -21,172,149
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:
| 21,172,147 | 21,172,148 | 21,172,150 | 21,172,151 |
| -21,172,147 | -21,172,148 | -21,172,150 | -21,172,151 |