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Composite Number

2321

2321 is a odd composite number that follows 2320 and precedes 2322. It is composed of 4 distinct factors: 1, 11, 211, 2321. Its prime factorization can be written as 11 × 211. 2321 is classified as a deficient number based on the sum of its proper divisors. In computer science, 2321 is represented as 100100010001 in binary and 911 in hexadecimal. Historically, it is written as MMCCCXXI in Roman numerals.

Roman Numeral
MMCCCXXI
LatinClassic
Binary
100100010001
Base 2
Hexadecimal
911
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum8
Digital Root8
Sum of Factors2544
Aliquot Sum223
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (11 × 211) reveals 2 prime building blocks.

Canonical form
11 × 211
11211
Divisibility Insights
  • Divisible by 2

    2321 ends in 1, so it is odd.

  • Divisible by 3

    The digit sum 8 is not a multiple of 3.

  • Divisible by 4

    The last two digits 21 are not divisible by 4.

  • Divisible by 5

    2321 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 8 is not a multiple of 9.

  • Divisible by 10

    2321 does not end in 0.

  • Divisible by 11

    The alternating digit sum 0 is a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 2321 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 2321 breaks down

2321 carries 4 distinct factors and a digit signature of 8 (8 as the digital root). The deficient classification indicates that its proper divisors sum to 223, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 100100010001 supports bitwise reasoning, hexadecimal 911 aligns with computing notation, and the Roman numeral MMCCCXXI keeps the encyclopedic tradition alive. These attributes make 2321 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 2321 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (23162326) to tune search ranges, and educators feature 2321 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 2321 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 2321

Is 2321 a prime number?

2321 is composite with 4 total factors and the prime factorization 11 × 211.

What is the prime factorization of 2321?

It breaks down as 11 × 211, multiplying the primes 11 × 211.

How is 2321 represented in binary and hexadecimal?

2321 converts to 100100010001 in binary and 911 in hexadecimal, which are helpful for computer science applications.

Is 2321 a perfect square, cube, or triangular number?

2321 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 2321?

The digits sum to 8, producing a digital root of 8. These tests power divisibility shortcuts for 3 and 9.