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213

Number 213: Properties, Factors, and Mathematical Facts

Short answer

The number 213 is an odd composite number with 4 positive divisors. Its prime factorization is 3 × 71. It is also a deficient number, which gives it several notable mathematical relationships.

Is 213 prime?

ClassificationCompositeParityOddDivisor count4AbundanceDeficient

What is the prime factorization of 213?

Prime factorization

213 =
3 times 71
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What are the divisors of 213?

Divisor count

4

Divisor sum

288

Proper divisor sum

75
  • 1
  • 3
  • 71
  • 213
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How is 213 classified?

Prime

CompositeLearn more →

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No
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How is 213 represented in other numeral systems?

Decimal

213

Binary

11010101
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Octal

325

Hexadecimal

D5
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Roman

CCXIIILearn more →

In words

two hundred thirteen

Roots and powers

Square root

14.594520 Approximate

Cube root

5.972093 Approximate

Nearest lower square

196

Nearest higher square

225

Nearest lower cube

125

Nearest higher cube

216

What are the digit properties of 213?

Digit count

3

Digit sum

6Learn more →

Digit product

6

Digital root

6

Reversed number

312

Which numbers are related to 213?

212· Previous214· Next211· Previous prime223· Next prime3· Prime factor71· Prime factor196· Lower square225· Higher square210· Previous triangular231· Next triangular426· Double312· Reverse

Why these results are true

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

Compare this number

FAQ for 213

Is 213 prime?
No
What is the prime factorization of 213?
3 × 71
Is 213 a perfect square?
No
What is 213 in binary?
11010101
What is 213 in Roman numerals?
CCXIII

Read calculation methodology