plural of number system

(graph theory) The number of vertices in a maximum clique of a given graph.

One who numbers.

(combination puzzles, chiefly Rubik's Cube) The maximum number of moves needed to solve a puzzle using God's algorithm.

(number theory) A natural number that is abundant but not semiperfect; one for which the sum of the proper divisors (including 1 but not itself) is greater than the number, but no subset of those divisors sums to the number itself.

(set theory) Any of a sequence of numbers used to represent the cardinality of infinite sets, denoted by the Hebrew letter aleph.

(physics) The quantum number (of an atomic orbital) that specifies the energy of an electron in an atom and, hence, which shell it occupies

In combinatorial mathematics, any of a sequence of natural numbers that occur in various counting problems, often involving recursively defined objects; the nᵗʰ Catalan number is equal to (2n choose n) over (n+1).

(mathematics) Any of a sequence of numbers related to the Fibonacci numbers. L(0) = 1, L(1) = 1, and then, for all n larger than 1, L(n) = L(n-1)+L(n-2)+1.

(law) A number affixed to a document indicating its number in a series of documents, usually with respect to evidentiary documents being provided to the other party in a legal proceeding. Initially should be referenced as (Bates stamp p.1); subsequent references within the same document should follow as (p.2), (p.3), etc or (Bates stamp p.4).