Vigesimal
The base-20 notational system for representing Real Numbers. The digits used to represent numbersusing vigesimal Notation are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I, and J. A base-20 numbersystem was used by the Aztecs and Mayans. The Mayans compiled extensive observations of planetary positions in base-20notation.
See also Base (Number), Binary, Decimal, Hexadecimal, Octal, Quaternary, Ternary
References
Weisstein, E. W. ``Bases.'' Mathematica notebook Bases.m.
- Grimm's Conjecture
- Grinberg Formula
- Groemer Packing
- Groemer Theorem
- Gronwall's Theorem
- Gross
- Grossman's Constant
- Grothendieck's Constant
- Grothendieck's Theorem
- Ground Set
- Group
- Group Convolution
- Groupoid
- Group Orthogonality Theorem
- Group Ring
- Group Theory
- Growth
- Growth Function
- Growth Spiral
- Grundy's Game
- Grundy-Sprague Number
- Gröbner Basis
- Grössencharakter
- G-Space
- Gudermannian Function