$\"\"$

The number is $\"\"$ .

$\"\"$ (Divide: $\"\"$ )

The number $\"\"$ is integers $\"\"$ .

The number $\"\"$ is a rational number $\"\"$ . ( $\"\"$ )

The number $\"\"$ is a whole number $\"\"$ .

The number $\"\"$ is a natural number $\"\"$ .

The sets of whole numbers $\"\"$ , integers $\"\"$ , natural numbers $\"\"$ and

rational number $\"\"$ are subsets of real number $\"\"$ .

$\"\"$

The number $\"\"$ belongs to $\"\"$ and $\"\"$ .