Pythagorean Numerology is one of the traditional numerological system which was developed by the Greek philosopher, mathematician and numerology Pythagoras in the fourth century AD. He believes that every planet has its own peculiar sound and he classified all male and female categories. In this system, every number from 1 to 9 are assigned a maximum of three alphabets, for example number 1 is assigned by a, j and s. The number 11, 22 and 33 are considered master numbers in this numerological system..