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Concept# Steinhaus–Moser notation

Summary

In mathematics, Steinhaus–Moser notation is a notation for expressing certain large numbers. It is an extension (devised by Leo Moser) of Hugo Steinhaus's polygon notation.
Definitions
: a number n in a triangle means nn.
: a number n in a square is equivalent to "the number n inside n triangles, which are all nested."
: a number n in a pentagon is equivalent with "the number n inside n squares, which are all nested."
etc.: n written in an (m + 1)-sided polygon is equivalent with "the number n inside n nested m-sided polygons". In a series of nested polygons, they are associated inward. The number n inside two triangles is equivalent to nn inside one triangle, which is equivalent to nn raised to the power of nn.
Steinhaus defined only the triangle, the square, and the circle , which is equivalent to the pentagon defined above.
Special values
Steinhaus defined:
*mega is the number equivalent to 2 in a circle:
*megiston is the number equivalent to 10 in a

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