Q: What is the negative version of the number 21,157,173?
A: -21,157,173
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:
| 21,157,171 | 21,157,172 | 21,157,174 | 21,157,175 |
| -21,157,171 | -21,157,172 | -21,157,174 | -21,157,175 |