Q: What is the negative version of the number 421,551,144?
A: -421,551,144
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:
| 421,551,142 | 421,551,143 | 421,551,145 | 421,551,146 |
| -421,551,142 | -421,551,143 | -421,551,145 | -421,551,146 |