What two numbers add up to 4155?

There are infinite combinations of two numbers that add up to 4155. Here are some examples using negative numbers:

-1 + 4156 = 4155
-2 + 4157 = 4155
-3 + 4158 = 4155
...

Here are some examples using two fractions that will add up to 4155:

4155/2 + 4155/2 = 4155
8310/3 + 4155/3 = 4155
12465/4 + 4155/4 = 4155
...

And here are some examples using two decimal numbers that will add up to 4155:

1.25 + 4153.75 = 4155
2.50 + 4152.5 = 4155
3.75 + 4151.25 = 4155
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 4155?", 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 4155. (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 4155?" has 2077 answers:

1 + 4154 = 4155
2 + 4153 = 4155
3 + 4152 = 4155
.
.
2075 + 2080 = 4155
2076 + 2079 = 4155
2077 + 2078 = 4155

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 4155 by 2 and then rounded down to the nearest whole number if necessary.

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What two numbers add up to 4156?
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