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Composite Number

923

923 is a odd composite number that follows 922 and precedes 924. It is composed of 4 distinct factors: 1, 13, 71, 923. Its prime factorization can be written as 13 × 71. 923 is classified as a deficient number based on the sum of its proper divisors. In computer science, 923 is represented as 1110011011 in binary and 39B in hexadecimal. Historically, it is written as CMXXIII in Roman numerals.

Roman Numeral
CMXXIII
LatinClassic
Binary
1110011011
Base 2
Hexadecimal
39B
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count3
Digit Sum14
Digital Root5
Sum of Factors1008
Aliquot Sum85
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (13 × 71) reveals 2 prime building blocks.

Canonical form
13 × 71
1371
Divisibility Insights
  • Divisible by 2

    923 ends in 3, so it is odd.

  • Divisible by 3

    The digit sum 14 is not a multiple of 3.

  • Divisible by 4

    The last two digits 23 are not divisible by 4.

  • Divisible by 5

    923 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 14 is not a multiple of 9.

  • Divisible by 10

    923 does not end in 0.

  • Divisible by 11

    The alternating digit sum 10 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 923 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 923 breaks down

923 carries 4 distinct factors and a digit signature of 14 (5 as the digital root). The deficient classification indicates that its proper divisors sum to 85, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1110011011 supports bitwise reasoning, hexadecimal 39B aligns with computing notation, and the Roman numeral CMXXIII keeps the encyclopedic tradition alive. These attributes make 923 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 923 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (918928) to tune search ranges, and educators feature 923 in worksheets about factor trees. Its binary footprint of length 10 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 923 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 923

Is 923 a prime number?

923 is composite with 4 total factors and the prime factorization 13 × 71.

What is the prime factorization of 923?

It breaks down as 13 × 71, multiplying the primes 13 × 71.

How is 923 represented in binary and hexadecimal?

923 converts to 1110011011 in binary and 39B in hexadecimal, which are helpful for computer science applications.

Is 923 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 923?

The digits sum to 14, producing a digital root of 5. These tests power divisibility shortcuts for 3 and 9.