The most ancient form of Numerology is called Chaldean Numerology which is generally followed in India also.
It is an accurate method of determining what is a persons potentials and limitations when it comes to social relationships, care and love.
Each letter of the alphabet has a numeric value. These are is associated with a related cosmic vibration.
The sum of the numbers in a persons birth date and the sum of value derived from the letters in his/her name provide an interrelation of symbolic information. These numbers reveals a great deal about ones character, purpose in life, what motivates him/her, and what talents he/she have yet to exploit in life.
The number of your birth day, the number of your birth date, and the number of your name.
These three numbers, and the energies they represent, will have significant correlation with your personality.
Every number will have mental and spiritual plane represented by its top half part and the material worldly affairs are represented by its remaining bottom part.