Collection of all divisors of 42.
Collection of all divisors of 42 is well defined as we know about all the divisors of 42 i.e., {1,2,3,6,7, 14,21,42}.
Hence, the collection forms a set.
Fill in the blanks in the following table:
Numbers |
Closed under |
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Addition |
Subtraction |
Multiplication |
Division |
|
Rational numbers |
Yes |
Yes |
No |
|
Integers |
Yes |
No |
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Whole numbers |
... |
Yes |
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Natural numbers |
No |
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