Q: What is the negative version of the number 21,405,477?
A: -21,405,477
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:
| 21,405,475 | 21,405,476 | 21,405,478 | 21,405,479 |
| -21,405,475 | -21,405,476 | -21,405,478 | -21,405,479 |