(mathematics) The set of positive integers, {1, 2, 3, ...}. / (mathematics, computer science) The set of non-negative integers, {0, 1, 2, 3, ...}.

plural of rational number

(mathematics) The set of numbers that can be expressed as a ratio of integers, often denoted with the bold letter Q, or the blackboard bold letter ℚ.

plural of real number

(mathematics) The smallest set containing all limits of convergent sequences of rational numbers.

(idiomatic) To figure; to do the math.

plural of abstract number

plural of prime number

plural of deficient number

alternative form of color by number / (rare) plural of color by number