Identify the MOST SPECIFIC set to which each of the following numbers belongs.(7 points)

6.263
911
4.56666....
36−−√
0
−25
42−−√
1. whole number
2. rational number
3. integer
4. natural number
5. irrational number

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6.263 - Rational number, Irrational number

911 - Whole number, Rational number, Integer
4.56666.... - Rational number
36−−√ - Rational number, Irrational number
0 - Whole number, Rational number, Integer
−25 - Whole number, Rational number, Integer
42−−√ - Rational number, Irrational number