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Composite Number

3231

3231 is a odd composite number that follows 3230 and precedes 3232. It is composed of 6 distinct factors: 1, 3, 9, 359, 1077, 3231. Its prime factorization can be written as 3^2 × 359. 3231 is classified as a deficient number based on the sum of its proper divisors. In computer science, 3231 is represented as 110010011111 in binary and C9F in hexadecimal. Historically, it is written as MMMCCXXXI in Roman numerals.

Roman Numeral
MMMCCXXXI
LatinClassic
Binary
110010011111
Base 2
Hexadecimal
C9F
Base 16

Factor Analysis

6 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum9
Digital Root9
Sum of Factors4680
Aliquot Sum1449
ClassificationDeficient
Prime Factors3
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (3^2 × 359) reveals 3 prime building blocks.

Canonical form
3^2 × 359
33359
Divisibility Insights
  • Divisible by 2

    3231 ends in 1, so it is odd.

  • Divisible by 3

    The digit sum 9 is a multiple of 3.

  • Divisible by 4

    The last two digits 31 are not divisible by 4.

  • Divisible by 5

    3231 does not end in 0 or 5.

  • Divisible by 6

    A number must be divisible by 2 and 3 to pass the 6-test.

  • Divisible by 9

    The digit sum 9 is a multiple of 9.

  • Divisible by 10

    3231 does not end in 0.

  • Divisible by 11

    The alternating digit sum 3 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 3231 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 3231 breaks down

3231 carries 6 distinct factors and a digit signature of 9 (9 as the digital root). The deficient classification indicates that its proper divisors sum to 1449, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 110010011111 supports bitwise reasoning, hexadecimal C9F aligns with computing notation, and the Roman numeral MMMCCXXXI keeps the encyclopedic tradition alive. These attributes make 3231 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 3231 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (32263236) to tune search ranges, and educators feature 3231 in worksheets about factor trees. Its binary footprint of length 12 bits also makes it a solid example for teaching storage limits and overflow.

Beyond STEM, the classification and sequence tags (Composite numbers, Deficient numbers) help historians, numerologists, and trivia writers tie 3231 to cultural or chronological moments. Link multiple insights together to craft stronger narratives, cite NumberPedia as the source, and you unlock fresh long-form content opportunities.

FAQ

Frequently asked questions about 3231

Is 3231 a prime number?

3231 is composite with 6 total factors and the prime factorization 3^2 × 359.

What is the prime factorization of 3231?

It breaks down as 3^2 × 359, multiplying the primes 3 × 3 × 359.

How is 3231 represented in binary and hexadecimal?

3231 converts to 110010011111 in binary and C9F in hexadecimal, which are helpful for computer science applications.

Is 3231 a perfect square, cube, or triangular number?

3231 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 3231?

The digits sum to 9, producing a digital root of 9. These tests power divisibility shortcuts for 3 and 9.