number
List of numbers
List of types of numbers
Mathematical constant – Fixed number that has received a name
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