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# integer

The set of integers, usually denoted by $$\mathbb{Z}$$ (from the German zahlen, “to count”), is the set of numbers that includes the natural numbers, with zero, and their negatives.

$\mathbb{Z}=\{\ldots, -3, -2,-1,0,1,2,3,\ldots\}$

Unlike the natural numbers the integers are not well-founded since any given subset may not have a least element.

Citation Info

• [MLA] “integer.” Platonic Realms Interactive Mathematics Encyclopedia. Platonic Realms, 10 Apr 2014. Web. 23 Nov 2017. <http://platonicrealms.com/>
• [APA] integer (10 Apr 2014). Retrieved 23 Nov 2017 from the Platonic Realms Interactive Mathematics Encyclopedia: http://platonicrealms.com/encyclopedia/integer/