KnowraOneOneOne is the first positive integer and the multiplicative identity: multiplying any number by one leaves it unchanged.BriefConnectNatural number: A number used for counting or ordering; conventions differ on whether zero is included. One is the first positive member of the natural-number sequence.Multiplicative identity: An element that leaves every element unchanged when used in multiplication. One has this defining property for ordinary arithmetic multiplication.Prime number: An integer greater than one whose only positive divisors are one and itself. One is excluded from the primes despite having only one positive divisor.Dimensionless quantity: A physical quantity whose dimensions cancel, leaving a pure number. Dimensionless values can equal one when compared quantities balance exactly.Integer: A whole number, positive, negative, or zero. One belongs to the integers alongside zero and the negative whole numbers.Identity element: An element that leaves other elements unchanged under a specified operation. The multiplicative identity is one instance of this general algebraic role.Divisibility: A relation in which one integer is an exact multiple of another. One divides every integer, making it a universal divisor.Probability: A numerical measure from zero to one assigned to the likelihood of an event. Probability one denotes certainty within the probability model.Counting: The process of assigning number words or symbols in sequence to objects. Counting assigns one to a single object before larger quantities are reached.Addition: The arithmetic operation that combines quantities into a sum. Adding one increases an integer by its immediate successor step.Show all 20Linked from 10 pagesNeoplatonismBroader topic: It is the source from which the tradition explains every level of reality.HermeticismRelated: Hermetic accounts portray the highest divinity as the source of the ordered cosmos.TheurgyNarrower topic: The soul’s ascent through theurgy ultimately points toward this transcendent source.ZeroCompared with: One represents a single unit, while zero represents none and is the additive identity.PlotinusBroader topic: It is the source beyond being and thought at the summit of his metaphysics.NousNarrower topic: Nous proceeds from this source while remaining its first determinate expression.0 (number)Compared with: One preserves values under multiplication, whereas zero preserves them under addition.Highly composite numberBroader topic: It is the first highly composite number, with one positive divisor.Show all 10