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Questions and Answers
What comes after 11 in the sequence of natural numbers?
What comes after 11 in the sequence of natural numbers?
What is a characteristic of the number 12?
What is a characteristic of the number 12?
What is the product of 3 and 4 in multiplication?
What is the product of 3 and 4 in multiplication?
What is the result of 12 divided by 3?
What is the result of 12 divided by 3?
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How many months are in a year?
How many months are in a year?
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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
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Description
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.
