Q: What is the negative version of the number 21,213,871?
A: -21,213,871
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:
| 21,213,869 | 21,213,870 | 21,213,872 | 21,213,873 |
| -21,213,869 | -21,213,870 | -21,213,872 | -21,213,873 |