Q: What is the negative version of the number 21,151,523?
A: -21,151,523
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:
| 21,151,521 | 21,151,522 | 21,151,524 | 21,151,525 |
| -21,151,521 | -21,151,522 | -21,151,524 | -21,151,525 |