Q: What is the negative version of the number 21,405,257?
A: -21,405,257
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:
| 21,405,255 | 21,405,256 | 21,405,258 | 21,405,259 |
| -21,405,255 | -21,405,256 | -21,405,258 | -21,405,259 |