Q: What is the negative version of the number 21,405,105?
A: -21,405,105
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:
| 21,405,103 | 21,405,104 | 21,405,106 | 21,405,107 |
| -21,405,103 | -21,405,104 | -21,405,106 | -21,405,107 |