-5 is an integer and a rational number.
Integers can be positive or negative.
Rational numbers can be expressed as a fraction of integers.
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5 is a natural number, as it is an integer greater than zero. It is a whole number, an integer, and a rational number.
It is a negative integer. It is a rational number, a real number.
No, it is not. 3/5 is rational and its multiplicative inverse is 5/3 which is not an integer.
Every integer is a rational number.
A rational number which is an integer can be simplified to a form in which the denominator is 1. That is not possible for a rational number which is not an integer.