Counting Number

A A000027), also called a Natural Number. However, 0 issometimes also included in the list of counting numbers. Due to lack of standard terminology, the following terms arerecommended in preference to ``counting number,'' ``Natural Number,'' and ``Whole Number.''

Set	Name	Symbol
..., , , 0, 1, 2, ...	integers	Z
1, 2, 3, 4, ...	positive integers	Z+
0, 1, 2, 3, 4 ...	nonnegative integers	Z*
, , , , ...	negative integers	Z-

References

Sloane, N. J. A. SequenceA000027/M0472in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995.

• Convolution
• Convolution Theorem
• Conway-Alexander Polynomial
• Conway Groups
• Conway Notation
• Conway Polyhedron Notation
• Conway Polynomial
• Conway Puzzle
• Conway's Constant
• Conway Sequence
• Conway's Game of Life
• Conway's Knot
• Conway's Knot Notation
• Conway's Life
• Conway Sphere
• Coordinate Geometry
• Coordinates
• Coordinate System
• Coordination Number
• Copeland-Erdös Constant
• Coplanar
• Coprime
• Copson-de Bruijn Constant
• Copson's Inequality
• Copula