Skip to content
العربية

671

Number 671: Properties, Factors, and Mathematical Facts

Short answer

The number 671 is an odd composite number with 4 positive divisors. Its prime factorization is 11 × 61. It is also a deficient number, which gives it several notable mathematical relationships.

Is 671 prime?

ClassificationCompositeParityOddDivisor count4AbundanceDeficient

What is the prime factorization of 671?

Prime factorization

671 =
11 times 61
Learn more →

What are the divisors of 671?

Divisor count

4

Divisor sum

744

Proper divisor sum

73
  • 1
  • 11
  • 61
  • 671
Learn more →Learn more →

How is 671 classified?

Prime

CompositeLearn more →

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No
Learn more →Learn more →

How is 671 represented in other numeral systems?

Decimal

671

Binary

1010011111
Learn more →

Octal

1237

Hexadecimal

29F
Learn more →

Roman

DCLXXILearn more →

In words

six hundred seventy one

Roots and powers

Square root

25.903668 Approximate

Cube root

8.754691 Approximate

Nearest lower square

625

Nearest higher square

676

Nearest lower cube

512

Nearest higher cube

729

What are the digit properties of 671?

Digit count

3

Digit sum

14Learn more →

Digit product

42

Digital root

5

Reversed number

176

Which numbers are related to 671?

670· Previous672· Next661· Previous prime673· Next prime11· Prime factor61· Prime factor625· Lower square676· Higher square666· Previous triangular703· Next triangular1342· Double176· Reverse

Why these results are true

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

Compare this number

FAQ for 671

Is 671 prime?
No
What is the prime factorization of 671?
11 × 61
Is 671 a perfect square?
No
What is 671 in binary?
1010011111
What is 671 in Roman numerals?
DCLXXI

Read calculation methodology