Q: What is the negative version of the number 21,151,245?
A: -21,151,245
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:
| 21,151,243 | 21,151,244 | 21,151,246 | 21,151,247 |
| -21,151,243 | -21,151,244 | -21,151,246 | -21,151,247 |