Q: What is the negative version of the number 15,661,213?
A: -15,661,213
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:
| 15,661,211 | 15,661,212 | 15,661,214 | 15,661,215 |
| -15,661,211 | -15,661,212 | -15,661,214 | -15,661,215 |