1, 2 is a natural number and a positive integer between 1 and 3.

2, 2 has many mathematical properties. If a number is divisible by 2, it is even, and vice versa.

3 and 2 are the smallest prime numbers, also called prime numbers.

4 and 2 are unique even prime numbers, with only two factors: 1 and 2.

5 and 2 are rational numbers.

6,2 is an even number and also a Hegna number.

7, 2 stands for love in love.