Q: What is the negative version of the number 13,515,223?
A: -13,515,223
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:
| 13,515,221 | 13,515,222 | 13,515,224 | 13,515,225 |
| -13,515,221 | -13,515,222 | -13,515,224 | -13,515,225 |