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3987

Number 3987: Properties, Factors, and Mathematical Facts

Short answer

The number 3987 is an odd composite number with 6 positive divisors. Its prime factorization is 3² × 443. It is also a deficient number, which gives it several notable mathematical relationships.

Is 3987 prime?

ClassificationCompositeParityOddDivisor count6AbundanceDeficient

What is the prime factorization of 3987?

Prime factorization

3987 =
3 squared times 443
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What are the divisors of 3987?

Divisor count

6

Divisor sum

5,772

Proper divisor sum

1,785

How is 3987 classified?

Prime

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No

How is 3987 represented in other numeral systems?

Decimal

3987

Binary

111110010011
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Octal

7623

Hexadecimal

Roman

MMMCMLXXXVIILearn more

In words

three thousand nine hundred eighty seven

Roots and powers

Square root

63.142696 Approximate

Cube root

15.856795 Approximate

Nearest lower square

3969

Nearest higher square

4096

Nearest lower cube

3375

Nearest higher cube

4096

What are the digit properties of 3987?

Digit count

4

Digit sum

Digit product

1512

Digital root

9

Reversed number

7893

Why these results are true

  • 3987 is composite because it has positive divisors other than 1 and itself.

Compare this number

FAQ for 3987

Is 3987 prime?
No
What is the prime factorization of 3987?
3² × 443
Is 3987 a perfect square?
No
What is 3987 in binary?
111110010011
What is 3987 in Roman numerals?
MMMCMLXXXVII

Read calculation methodology