Pythagoras, best known for his triangle theorum, believed that the world could be defined in terms of patterns of energy. He assigned numbers to those patterns, becoming the father of numerology.
Numerology is a fascinating study of how numbers determine our personality, life path, soul secrets, and path of destiny. An excellent read and how to for applying numerology to your own life is Numerology and the Divine Triangle, by Faith Javane. Dan Millman looks at the numbers, and patterns, related to birthdates, in his book, The Life You Were Born to Live.
The idea that who we are can be defined by patterns, in this case numbers, is an interesting consideration.
What are your numbers?