Q: What is the negative version of the number 21,516,181?
A: -21,516,181
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:
| 21,516,179 | 21,516,180 | 21,516,182 | 21,516,183 |
| -21,516,179 | -21,516,180 | -21,516,182 | -21,516,183 |