Q: What is the negative version of the number 21,559,613?
A: -21,559,613
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:
| 21,559,611 | 21,559,612 | 21,559,614 | 21,559,615 |
| -21,559,611 | -21,559,612 | -21,559,614 | -21,559,615 |