Q: What is the negative version of the number 18,181,221?
A: -18,181,221
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:
| 18,181,219 | 18,181,220 | 18,181,222 | 18,181,223 |
| -18,181,219 | -18,181,220 | -18,181,222 | -18,181,223 |