# Natural number

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The set of natural numbers, commonly denoted by $\mathbb{N}$,natural numbers are 1,2,3,4,5,......the natural number doesnot have an ending and can be axiomatically defined by the Peano axioms. One way of constructing the natural numbers (or, more precisely, a sequence of objects that behave like the natural numbers) is through an iterative process starting from the empty set. See Wikipedia:Natural number for more information.