What are a dozen facts about the integer 12?

Answer 1

1 It's rational, composite and even whole number

2 It's between two prime numbers which are 11 and 13

3 Its digital sum is 3 which is a Prime number

4 Its factors are 1 2 3 4 6 and 12

5 It's expressed as 12.0 as a decimal

6 It's expressed as 12/1 as an improper fraction

7 It can be expressed as 11 and 12/12 as mixed number

8 Its square is a gross which is 144

9 Its square root is an irrational number

10 It's notated as XII in Roman numerals

11 It's known as noon at mid-day

12 It's a dozen eggs when twelve are laid