Q: What is the negative version of the number 21,501,855?
A: -21,501,855
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:
| 21,501,853 | 21,501,854 | 21,501,856 | 21,501,857 |
| -21,501,853 | -21,501,854 | -21,501,856 | -21,501,857 |