Q: What is the negative version of the number 21,555,657?
A: -21,555,657
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:
| 21,555,655 | 21,555,656 | 21,555,658 | 21,555,659 |
| -21,555,655 | -21,555,656 | -21,555,658 | -21,555,659 |