It is called Numeric Numbers / Numeric Values, for any name of a mankind. It is also added here, that The Numeric values of every Arabic, Hebrew and Syriac Peshitta / Bessita word used in Holy Scriptures were based on the Numerical Values, which is disclosed by the same knowledge of "Elm-ul- Eidad (ilm-ul-aidad).

There is a Holy Master Chart for all the alphabets of these 3 basic languages, related to the holy scriptures of Islam, Jews and the Christianity.

Please Note: This holy chart of Numeric values was given to Hz: Muse A.S, by Lord Himself. Therefore Musa (A.S) then provided it in Book of Torah and became the foundation of all the Holy Scriptures of our Lord Most High. " With the help of this Holy Chart, now we can see how the value of "Dot" ( 9 ) is calculated as it's Numeric values.
For example, Akbar is my name and if we need to know the numerical number of Akbar, then we calculate it as under:

128=8+60+10+50 عليان 70+30+10+1+50 =161 حسين

128+161=289 then 2+8+9 = 19