It is said that you do not understand a theory if you cam not express it in numbers. So: By the way: what is the difference between Numeracy and Numerology?
There is great stuff in astronomy that is not directly linked to outworking of laws:
The bode "law"
http://www.sciforums.com/threads/doing-the-numbers-on-no-1.160798/
The beauty of numbers in astronomy is, that it is an exact science, and facts behind the data are in existence since millions of years. hard to fudge.