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7987

Number 7987: Properties, Factors, and Mathematical Facts

Short answer

The number 7987 is an odd composite number with 6 positive divisors. Its prime factorization is 7² × 163. It is also a deficient number, which gives it several notable mathematical relationships.

Is 7987 prime?

ClassificationCompositeParityOddDivisor count6AbundanceDeficient

What is the prime factorization of 7987?

Prime factorization

7987 =
7 squared times 163
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What are the divisors of 7987?

Divisor count

6

Divisor sum

9,348

Proper divisor sum

1,361
  • 1
  • 7
  • 49
  • 163
  • 1141
  • 7987
Learn more →Learn more →

How is 7987 classified?

Prime

CompositeLearn more →

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No
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How is 7987 represented in other numeral systems?

Decimal

7987

Binary

1111100110011
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Octal

17463

Hexadecimal

1F33
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Roman

No conventional Roman numeral

In words

seven thousand nine hundred eighty seven

Roots and powers

Square root

89.370017 Approximate

Cube root

19.989161 Approximate

Nearest lower square

7921

Nearest higher square

8100

Nearest lower cube

6859

Nearest higher cube

8000

What are the digit properties of 7987?

Digit count

4

Digit sum

31Learn more →

Digit product

3528

Digital root

4

Reversed number

7897

Which numbers are related to 7987?

7986· Previous7988· Next7963· Previous prime7993· Next prime7· Prime factor163· Prime factor7921· Lower square8100· Higher square7875· Previous triangular8001· Next triangular15974· Double7897· Reverse

Why these results are true

  • 7987 is composite because it has positive divisors other than 1 and itself.

Compare this number

FAQ for 7987

Is 7987 prime?
No
What is the prime factorization of 7987?
7² × 163
Is 7987 a perfect square?
No
What is 7987 in binary?
1111100110011

Read calculation methodology