A notation for large numbers defined by Steinhaus (1983, pp. 28-29). In this notation, denotes , denotes " in triangles," and denotes " in squares." A modified version due to Moser eliminates the circle notation, continuing instead with polygons of ever increasing size, so in a pentagon is with squares around it, etc.
Steinhaus-Moser Notation
See also
Circle Notation, Large Number, Mega, MoserExplore with Wolfram|Alpha
References
Steinhaus, H. Mathematical Snapshots, 3rd ed. New York: Dover, 1999.Referenced on Wolfram|Alpha
Steinhaus-Moser NotationCite this as:
Weisstein, Eric W. "Steinhaus-Moser Notation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Steinhaus-MoserNotation.html