Q: What is the negative version of the number 21,516,643?
A: -21,516,643
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:
| 21,516,641 | 21,516,642 | 21,516,644 | 21,516,645 |
| -21,516,641 | -21,516,642 | -21,516,644 | -21,516,645 |