Interesting Number Pattern --> 8

Check out these two

Take 13 and 11 which are prime numbers

13 X 11 = 143

Now reverse them and multiply again - 31  * 11 - 341 which is the anagram of 143!

Take 13 and 17 which are prime numbers

13 X 17 = 221 (or 0221)

Reverse them and multiply

31 X 71 = 2201 which is and anagram of 0221 :)