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  • Also known as...
  • In words...
    • English: twenty
  • Roman numeral: XX
  • Other bases...
    • Base 2 (binary): 10100
    • Base 8 (octal): 24
    • Base 16 (hexadecimal): 14
  • Interesting facts and trivia...
  • 20 is an even number
  • Prime or composite? Composite. The factors are: 2 2 5
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15y ago

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A common multiple of 14 and 20 is 140. As a matter of fact, it is the least common multiple.


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A fact family consists of a set of related addition and subtraction or multiplication and division equations that use the same numbers. For the number 47, a simple fact family involving addition and subtraction could be: 20 + 27 = 47, 27 + 20 = 47, 47 - 20 = 27, and 47 - 27 = 20. This illustrates how the numbers 20, 27, and 47 relate to each other through these basic operations.


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Is 20 whether a prime number or compsite number?

20 is a composite number