An integer that is either 0 or positive, i.e., a member of the set , where Z-+ denotes the positive integers.
Nonnegative Integer
See also
Negative Integer, Nonpositive Integer, Positive Integer, Z-*Explore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Nonnegative Integer." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/NonnegativeInteger.html