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Positive Integer

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PositiveIntegers

The positive integers are the numbers 1, 2, 3, ... (OEIS A000027), sometimes called the counting numbers or natural numbers, denoted Z^+.

They are the solution to the simple linear recurrence equation

a_n=a_(n-1)+1

with a_1=1.

PositiveIntegerBinaryPlot

A plot of the first few positive integers represented as a sequence of binary bits is shown above. The top portion shows S_1 to S_(255), and the bottom shows the next 510 values.

See also

Counting Number, Integer, Natural Number, Negative Integer, Nonnegative Integer, Nonpositive Integer, Positive, Positive Matrix, Positive Number, Whole Number, Z-+

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References

Sloane, N. J. A. Sequence A000027/M0472 in "The On-Line Encyclopedia of Integer Sequences."Wolfram, S. A New Kind of Science. Champaign, IL: Wolfram Media, pp. 129 and 1168, 2002.

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Positive Integer

Cite this as:

Weisstein, Eric W. "Positive Integer." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PositiveInteger.html

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