A notation for large numbers due to Steinhaus (1999). In circle notation, is defined as in squares, where numbers written inside squares (and triangles) are interpreted in terms of Steinhaus-Moser notation. The particular number known as the mega is then defined as follows (correcting the typographical error of Steinhaus).
Circle Notation
See also
Mega, Megistron, Steinhaus-Moser NotationExplore with Wolfram|Alpha
References
Steinhaus, H. Mathematical Snapshots, 3rd ed. New York: Dover, pp. 28-29, 1999.Referenced on Wolfram|Alpha
Circle NotationCite this as:
Weisstein, Eric W. "Circle Notation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CircleNotation.html