Venn Diagram - Number System:

The number is  .

Observe the Venn Diagram:

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•  The number is a natural number (N).
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•  The number is a rational number (Q).
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• The set of whole numbers (W), integers (Z) are subsets of rational numbers (Q).
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•  All rational numbers (Q) are real numbers (R).
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The number belongs to N, W, Z, Q, and R.