What two numbers add up to 1587?

There are infinite combinations of two numbers that add up to 1587. Here are some examples using negative numbers:

-1 + 1588 = 1587
-2 + 1589 = 1587
-3 + 1590 = 1587
...

Here are some examples using two fractions that will add up to 1587:

1587/2 + 1587/2 = 1587
3174/3 + 1587/3 = 1587
4761/4 + 1587/4 = 1587
...

And here are some examples using two decimal numbers that will add up to 1587:

1.25 + 1585.75 = 1587
2.50 + 1584.5 = 1587
3.75 + 1583.25 = 1587
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 1587?", 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 1587. (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 1587?" has 793 answers:

1 + 1586 = 1587
2 + 1585 = 1587
3 + 1584 = 1587
.
.
791 + 796 = 1587
792 + 795 = 1587
793 + 794 = 1587

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 1587 by 2 and then rounded down to the nearest whole number if necessary.

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