Q: What is the negative version of the number 21,402,155?
A: -21,402,155
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:
| 21,402,153 | 21,402,154 | 21,402,156 | 21,402,157 |
| -21,402,153 | -21,402,154 | -21,402,156 | -21,402,157 |