Q: What is the negative version of the number 18,021,581?
A: -18,021,581
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:
| 18,021,579 | 18,021,580 | 18,021,582 | 18,021,583 |
| -18,021,579 | -18,021,580 | -18,021,582 | -18,021,583 |