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Number Analysis: 21980

The number 21980 is composite.

Factors of 21980

1 2 4 5 7 10 14 20 28 35 70 140 157 314 628 785 1099 1570 2198 3140 4396 5495 10990 21980

Number Properties

  • Value: 21980
  • Type: Composite number
  • Number of factors: 24
  • Even/Odd: Even
  • Perfect square: No

Mathematical Analysis

21980 is a composite number because it has factors other than 1 and itself.

It can be written as the product of prime numbers:

2257157
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