Q: What is the negative version of the number 21,815,966?
A: -21,815,966
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:
| 21,815,964 | 21,815,965 | 21,815,967 | 21,815,968 |
| -21,815,964 | -21,815,965 | -21,815,967 | -21,815,968 |