# Magic Number

1089 is known as the magic number. Here's why:

Choose any three-digit number different: for example, 875.

Now write this number backwards and subtract the smaller more:

875-578 = 297

Now reverse this result and also do the sum:

297 + 792 = 1089 (the magic number)

Warning: before you send us an e-mail saying that does not work with certain numbers, remember that three digits must be used in the calculation. example:

574-475 = 099

099 + 990 = 1089