What are a dozen or more facts about the number 12?

Answer 1

1 It's an integer because it's a whole number

2 It's a composite, rational and even number

3 Its prime factors are 2 and 3

4 Its other factors are 1, 4, 6 and 12

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

6 It's expressed as 12.0 as a decimal

7 It's an even number because it's divisible by 2 with no remainder

8 It's equal to a foot when expressed in inches

9 It's equal to a year when expressed in months

10 It's the solution of the equation: x+6 = 18

11 Its equivalent in Roman numerals are XII

12 It's 12 eggs that make a dozen

13 It changes to 13 when expressed as a baker's dozen