Q: What is the negative version of the number 21,251,149?
A: -21,251,149
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:
| 21,251,147 | 21,251,148 | 21,251,150 | 21,251,151 |
| -21,251,147 | -21,251,148 | -21,251,150 | -21,251,151 |