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Number (Positive Number (((Natural number)), Example: 1,2,3, positive-2…
Number
Positive Number
Example: 1,2,3
Natural number
even number
Rational number
Irrational Number
Negative Number
...,-3,-2,-1
Zero Number
0
Complex Number
Real Number
Rational Number
Irrational Number
Perfect Number
Example 6,28
whole number {0}U{ I+}
