Base (exponentiation)

* Base (geometry), a side of a plane figure (for example a triangle)
* Base (group theory), a sequence of distinct elements of a set
* Base (exponentiation), the number b in an expression of the form bn
* Base (topology), a topological space
* Radix or base, the number of distinct digits in a positional numeral system
Category:Geometry
Category:Euclidean plane geometry