Q: What is the negative version of the number 21,415,564?
A: -21,415,564
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:
| 21,415,562 | 21,415,563 | 21,415,565 | 21,415,566 |
| -21,415,562 | -21,415,563 | -21,415,565 | -21,415,566 |