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Number Analysis: 21990

The number 21990 is composite.

Factors of 21990

1 2 3 5 6 10 15 30 733 1466 2199 3665 4398 7330 10995 21990

Number Properties

  • Value: 21990
  • Type: Composite number
  • Number of factors: 16
  • Even/Odd: Even
  • Perfect square: No

Mathematical Analysis

21990 is a composite number because it has factors other than 1 and itself.

It can be written as the product of prime numbers:

235733
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