Q: What is the negative version of the number 21,561,827?
A: -21,561,827
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:
| 21,561,825 | 21,561,826 | 21,561,828 | 21,561,829 |
| -21,561,825 | -21,561,826 | -21,561,828 | -21,561,829 |