What two numbers add up to 4101?

There are infinite combinations of two numbers that add up to 4101. Here are some examples using negative numbers:

-1 + 4102 = 4101
-2 + 4103 = 4101
-3 + 4104 = 4101
...

Here are some examples using two fractions that will add up to 4101:

4101/2 + 4101/2 = 4101
8202/3 + 4101/3 = 4101
12303/4 + 4101/4 = 4101
...

And here are some examples using two decimal numbers that will add up to 4101:

1.25 + 4099.75 = 4101
2.50 + 4098.5 = 4101
3.75 + 4097.25 = 4101
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 4101?", 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 4101. (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 4101?" has 2050 answers:

1 + 4100 = 4101
2 + 4099 = 4101
3 + 4098 = 4101
.
.
2048 + 2053 = 4101
2049 + 2052 = 4101
2050 + 2051 = 4101

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 4101 by 2 and then rounded down to the nearest whole number if necessary.

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What two numbers add up to 4102?
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