• mathematics
    a fundamental concept, representing quantities or values
All terms


A number is a fundamental concept in mathematics, representing quantities or values. Typically, numbers are represented using the decimal number system and are organized into different sets representing different types of numbers. Read more…

Related Terms

Set of Numbers

A set of numbers is a collection of numbers grouped together based on specific properties. Common sets of numbers include the natural numbers, integers, rational numbers, real numbers, and complex numbers.

Set of Natural Numbers

The set of natural numbers, denoted as ℕ, includes all positive integers starting from 0. In some definitions, the set starts from 1 instead of 0.

Set of Rational Numbers

The set of rational numbers, denoted as ℚ, can be defined by the quotient of two numbers belonging to the set of integers, where the divisor is non-zero.

Set of Real Numbers

The set of real numbers, denoted as ℝ, includes all rational and irrational numbers. It represents the entire continuum of possible number values from negative infinity to positive infinity.

Set of Complex Numbers

The set of complex numbers contains all possible complex numbers. Each complex number has a real part and an complex part.