5 Questions
What comes after 11 in the sequence of natural numbers?
13
What is a characteristic of the number 12?
It is an even number
What is the product of 3 and 4 in multiplication?
12
What is the result of 12 divided by 3?
4
How many months are in a year?
12
Study Notes
Number 12
Properties
- 12 is a natural number that comes after 11 and before 13
- It is an even number
- 12 is a composite number, having 6 factors: 1, 2, 3, 4, 6, and 12
- It is a pronic number, being the product of 3 and 4 (3 × 4 = 12)
- 12 is a abundant number, since the sum of its proper factors (1, 2, 3, 4, and 6) is 16, which is greater than 12
Mathematical Operations
- Multiplication table:
- 12 × 0 = 0
- 12 × 1 = 12
- 12 × 2 = 24
- 12 × 3 = 36
- ...
- Division: 12 ÷ 1 = 12, 12 ÷ 2 = 6, 12 ÷ 3 = 4, 12 ÷ 4 = 3, ...
Real-World Applications
- There are 12 months in a year
- There are 12 hours on a clock (AM/PM)
- There are 12 signs in the zodiac
- Many countries have 12-digit identification numbers for their citizens
Properties of 12
- 12 is a natural number that comes after 11 and before 13
- It is an even number
- 12 has 6 factors: 1, 2, 3, 4, 6, and 12
- It is a pronic number, being the product of 3 and 4 (3 × 4 = 12)
- 12 is an abundant number, since the sum of its proper factors (1, 2, 3, 4, and 6) is 16, which is greater than 12
Mathematical Operations
- 12 × 0 = 0
- 12 × 1 = 12
- 12 × 2 = 24
- 12 × 3 = 36
- 12 ÷ 1 = 12
- 12 ÷ 2 = 6
- 12 ÷ 3 = 4
- 12 ÷ 4 = 3
Real-World Applications
- A year consists of 12 months
- A clock has 12 hours (AM/PM)
- There are 12 signs in the zodiac
- Many countries use 12-digit identification numbers for their citizens
Test your knowledge of the number 12, its properties, and mathematical operations. Learn about its factors, whether it's even or odd, and its multiplication table.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
