number
Concrete number
List of numbers
List of types of numbers
Mathematical constant
– Fixed number that has received a name
Complex numbers
Numerical cognition
Orders of magnitude
Physical constant
– Universal and unchanging physical quantity
Physical quantity
– Measurable property of a material or system
Pi
– Number, approximately 3.14
Positional notation
– Method for representing or encoding numbers
Prime number
– Number divisible only by 1 or itself
Scalar
(mathematics) – Elements of a field, e.g. real numbers, in the context of linear algebra
Subitizing and counting
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