They are a form of numeral used for counting.

In the other pairs, the first numeral is the number of steps up from the bottom (Malkuth), and the second numeral is the number of steps down from the top (Kether).

Because two is the base of the binary numeral system, powers of two are common in computer science.

On the nose or fuselage the aircraft has a numeral specific to the unit in which it is based.

The book suggests that V took his name from the Roman numeral V , the number of the room he was held in during the experiment.

See also Babylon Babylonia History of zero Numeral system Notes Bibliography External links Babylonian numerals Cuneiform numbers Babylonian Mathematics High resolution photographs, descriptions, and analysis of the root(2) tablet (YBC 7289) from the Yale Babylonian Collection Photograph, illustration, and description of the root(2) tablet from the Yale Babylonian Collection Babylonian Numerals by Michael Schreiber, Wolfram Demonstrations Project.