Q: What is the negative version of the number 21,211,405?
A: -21,211,405
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:
| 21,211,403 | 21,211,404 | 21,211,406 | 21,211,407 |
| -21,211,403 | -21,211,404 | -21,211,406 | -21,211,407 |