Before you ask “what is my numerology number?”, it's wise to ask a more fundamental question: “What is numerology?”.
In short, it's a method of attributing numerical meaning to specific letters.
The underlying theory is that names have a particular vibrational frequency associated with how the numbers assigned to each letter of your name add together to create a final number.
Numerology charts feature this information and up to five other numbers linked to your identity.
Such charts can be detailed and difficult to interpret at first, you can make a huge amount of progress just by learning how to work out the relevant numbers associated with each name.