N
NumberPedia
Menu

© 2025 NumberPedia

Composite Number

3839

3839 is a odd composite number that follows 3838 and precedes 3840. It is composed of 4 distinct factors: 1, 11, 349, 3839. Its prime factorization can be written as 11 × 349. 3839 is classified as a deficient number based on the sum of its proper divisors. In computer science, 3839 is represented as 111011111111 in binary and EFF in hexadecimal. Historically, it is written as MMMDCCCXXXIX in Roman numerals.

Roman Numeral
MMMDCCCXXXIX
LatinClassic
Binary
111011111111
Base 2
Hexadecimal
EFF
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum23
Digital Root5
Sum of Factors4200
Aliquot Sum361
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (11 × 349) reveals 2 prime building blocks.

Canonical form
11 × 349
11349
Divisibility Insights
  • Divisible by 2

    3839 ends in 9, so it is odd.

  • Divisible by 3

    The digit sum 23 is not a multiple of 3.

  • Divisible by 4

    The last two digits 39 are not divisible by 4.

  • Divisible by 5

    3839 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 23 is not a multiple of 9.

  • Divisible by 10

    3839 does not end in 0.

  • Divisible by 11

    The alternating digit sum -11 is a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 3839 within several notable number theory sequences:

Composite numbersDeficient numbers
Advertisement

Deep dive

How 3839 breaks down

3839 carries 4 distinct factors and a digit signature of 23 (5 as the digital root). The deficient classification indicates that its proper divisors sum to 361, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 111011111111 supports bitwise reasoning, hexadecimal EFF aligns with computing notation, and the Roman numeral MMMDCCCXXXIX keeps the encyclopedic tradition alive. These attributes make 3839 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 3839 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (38343844) to tune search ranges, and educators feature 3839 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 3839 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 3839

Is 3839 a prime number?

3839 is composite with 4 total factors and the prime factorization 11 × 349.

What is the prime factorization of 3839?

It breaks down as 11 × 349, multiplying the primes 11 × 349.

How is 3839 represented in binary and hexadecimal?

3839 converts to 111011111111 in binary and EFF in hexadecimal, which are helpful for computer science applications.

Is 3839 a perfect square, cube, or triangular number?

3839 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 3839?

The digits sum to 23, producing a digital root of 5. These tests power divisibility shortcuts for 3 and 9.