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magic numbers
plural of magic number
hyperreal number
(mathematics) Any of a set of numbers which extends the set of real numbers by including infinitesimals and infinities, and is used in nonstandard analysis.
crossing number
(mathematics) The minimum, taken over all planar representations of a link or graph, of the number of times it crosses itself.
practical number
(mathematics) Any positive integer having the property that all smaller integers can be represented as sums of distinct divisors of it
proton numbers
plural of proton number
take a number
To queue; to wait to be served by being assigned a number and waiting for that number to be called after all previous numbers have been served in order of assignment.
( present singular third-person )
( participle present )
( past )
( participle past )
numbered list
A list whose items are numbered, with various styles including Arabic numerals and Roman numerals.
adverbial number
(grammar) A word that expresses a countable number of times; an adverbial numeral.
proton number
The number of protons in an atom.
composite number
(number theory) A (nonzero) natural number that is expressible as the product of two (or more) natural numbers other than itself and 1.