Real numbers; also the rational numbers.
10 belongs to the natural integer numbers
Of the "standard sets" -10 belongs to: ℤ⁻ (the negative integers) ℤ (the integers) ℚ⁻ (the negative rational numbers) ℚ (the rational numbers) ℝ⁻ (the negative real numbers) ℝ (the real numbers) ℂ (the complex numbers) (as ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ). Other sets are possible, eg the even numbers.
It belongs to the set of prime numbers
It is a rational and real number.
Real numbers; also the rational numbers.
integers
10 belongs to the natural integer numbers
173 belongs to the set of positive natural numbers and it also belongs to the set of prime numbers.
1 _ 3
Of the "standard sets" -10 belongs to: ℤ⁻ (the negative integers) ℤ (the integers) ℚ⁻ (the negative rational numbers) ℚ (the rational numbers) ℝ⁻ (the negative real numbers) ℝ (the real numbers) ℂ (the complex numbers) (as ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ). Other sets are possible, eg the even numbers.
The number -4 belongs to the set of all integers. It also belongs to the rationals, reals, complex numbers.
It belongs to the set of prime numbers
Such set of numbers cannot exist.
Rational numbers and Real numbers
30 belongs to the set of natural numbers
10 belongs to the set "natural numbers", but it can also belong to whole numbers, and rational numbers