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Composite Number

4089

4089 is a odd composite number that follows 4088 and precedes 4090. It is composed of 8 distinct factors: 1, 3, 29, 47, 87, 141, 1363, 4089. Its prime factorization can be written as 3 × 29 × 47. 4089 is classified as a deficient number based on the sum of its proper divisors. In computer science, 4089 is represented as 111111111001 in binary and FF9 in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
111111111001
Base 2
Hexadecimal
FF9
Base 16

Factor Analysis

8 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum21
Digital Root3
Sum of Factors5760
Aliquot Sum1671
ClassificationDeficient
Prime Factors3
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (3 × 29 × 47) reveals 3 prime building blocks.

Canonical form
3 × 29 × 47
32947
Divisibility Insights
  • Divisible by 2

    4089 ends in 9, so it is odd.

  • Divisible by 3

    The digit sum 21 is a multiple of 3.

  • Divisible by 4

    The last two digits 89 are not divisible by 4.

  • Divisible by 5

    4089 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 21 is not a multiple of 9.

  • Divisible by 10

    4089 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 4089 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 4089 breaks down

4089 carries 8 distinct factors and a digit signature of 21 (3 as the digital root). The deficient classification indicates that its proper divisors sum to 1671, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 111111111001 supports bitwise reasoning, hexadecimal FF9 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 4089 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 4089 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (40844094) to tune search ranges, and educators feature 4089 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 4089 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 4089

Is 4089 a prime number?

4089 is composite with 8 total factors and the prime factorization 3 × 29 × 47.

What is the prime factorization of 4089?

It breaks down as 3 × 29 × 47, multiplying the primes 3 × 29 × 47.

How is 4089 represented in binary and hexadecimal?

4089 converts to 111111111001 in binary and FF9 in hexadecimal, which are helpful for computer science applications.

Is 4089 a perfect square, cube, or triangular number?

4089 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 4089?

The digits sum to 21, producing a digital root of 3. These tests power divisibility shortcuts for 3 and 9.