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159

Number 159: Properties, Factors, and Mathematical Facts

Short answer

The number 159 is an odd composite number with 4 positive divisors. Its prime factorization is 3 × 53. It is also a deficient number, which gives it several notable mathematical relationships.

Is 159 prime?

ClassificationCompositeParityOddDivisor count4AbundanceDeficient

What is the prime factorization of 159?

Prime factorization

159 =
3 times 53
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What are the divisors of 159?

Divisor count

4

Divisor sum

216

Proper divisor sum

57
  • 1
  • 3
  • 53
  • 159
Learn more →Learn more →

How is 159 classified?

Prime

CompositeLearn more →

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No
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How is 159 represented in other numeral systems?

Decimal

159

Binary

10011111
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Octal

237

Hexadecimal

9F
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Roman

CLIXLearn more →

In words

one hundred fifty nine

Roots and powers

Square root

12.609520 Approximate

Cube root

5.417502 Approximate

Nearest lower square

144

Nearest higher square

169

Nearest lower cube

125

Nearest higher cube

216

What are the digit properties of 159?

Digit count

3

Digit sum

15Learn more →

Digit product

45

Digital root

6

Reversed number

951

Which numbers are related to 159?

158· Previous160· Next157· Previous prime163· Next prime3· Prime factor53· Prime factor144· Lower square169· Higher square153· Previous triangular171· Next triangular318· Double951· Reverse

Why these results are true

  • 159 is composite because it has positive divisors other than 1 and itself.

Compare this number

FAQ for 159

Is 159 prime?
No
What is the prime factorization of 159?
3 × 53
Is 159 a perfect square?
No
What is 159 in binary?
10011111
What is 159 in Roman numerals?
CLIX

Read calculation methodology