What two numbers add up to 1646?

There are infinite combinations of two numbers that add up to 1646. Here are some examples using negative numbers:

-1 + 1647 = 1646
-2 + 1648 = 1646
-3 + 1649 = 1646
...

Here are some examples using two fractions that will add up to 1646:

1646/2 + 1646/2 = 1646
3292/3 + 1646/3 = 1646
4938/4 + 1646/4 = 1646
...

And here are some examples using two decimal numbers that will add up to 1646:

1.25 + 1644.75 = 1646
2.50 + 1643.5 = 1646
3.75 + 1642.25 = 1646
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 1646?", it may be more interesting to set some criteria to limit the result. We will set the follow criteria:

1) Only positive whole numbers can add up to 1646. (0 is not a positive or negative number and should not be included.)

2) Since a+b=29 is the same as b+a=29, we should only list it once.

Now, the answer to "What two numbers add up to 1646?" has 823 answers:

1 + 1645 = 1646
2 + 1644 = 1646
3 + 1643 = 1646
.
.
821 + 825 = 1646
822 + 824 = 1646
823 + 823 = 1646

We have truncated the list above due to space, but you may be interested to know that we calculated the number of answers by dividing 1646 by 2 and then rounded down to the nearest whole number if necessary.

Numbers That Add Up To Calculator
Submit another "What two numbers add up to x?" problem here.

What two numbers add up to 1647?
Here is the next problem on our list that we answered and explained in a similar fashion.