MB Arithmancy calculates the Character, Social and Heart Number for a person. This will help in knowing your strengths and weaknesses, how to fight in dire circumstances and learn more about your future. Arithmancy is a branch of magic that deals with the study of magical properties of numbers. Numbers have strong vibrations in the different facets of our lives. They tell us a lot about our personality, social behavior and inner turmoil. Character Number: This number indicates the general personality of the person. Heart Number: This number indicates the inner desires of a person and his hidden fears. Social Number: This number indicates the outer face of a person that is seen by the world.