1.18 is a number and number do not contain any sets (of any kind).
Natural numbers.
-10 belongs to the set of all integers denoted by Z.
173 belongs to the set of positive natural numbers and it also belongs to the set of prime numbers.
2 and 118.
The numbers that are divisible by 118 are infinite. Four of them are: 118, 236, 354, 472.Itself and any of its multiples
Rational numbers
There are no sets of three consecutive numbers totaling 118.
It can be element of: Rational numbers or Real numbers
real numbers, irrational numbers, ...
Natural numbers.
17 belongs to the set of prime numbers
Irrational Numbers which are a subset of Real Numbers which are a subset of Complex Numbers ...
The rational numbers, the real numbers and sets of higher order which contain the reals such as the complex numbers.
-10 belongs to the set of all integers denoted by Z.
-28 belongs to: Integers, which is a subset of rationals, which is a subset of reals, which is a subset of complex numbers.
173 belongs to the set of positive natural numbers and it also belongs to the set of prime numbers.
There are many sets of numbers -14 belongs to:set of negative integersset of rational numbersset of real numbersset of complex numbers, which is the biggest known number set