plural of atomic number

plural of decimal number

plural of Betti number

plural of ordinal number

plural of telephone number

(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

plural of real number

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

(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.