Q: What is the negative version of the number 21,771,237?
A: -21,771,237
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:
| 21,771,235 | 21,771,236 | 21,771,238 | 21,771,239 |
| -21,771,235 | -21,771,236 | -21,771,238 | -21,771,239 |