Q: What is the negative version of the number 13,691,221?
A: -13,691,221
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:
| 13,691,219 | 13,691,220 | 13,691,222 | 13,691,223 |
| -13,691,219 | -13,691,220 | -13,691,222 | -13,691,223 |