N
NumberPedia
Menu

© 2025 NumberPedia

Composite Number

8989

8989 is a odd composite number that follows 8988 and precedes 8990. It is composed of 4 distinct factors: 1, 89, 101, 8989. Its prime factorization can be written as 89 × 101. 8989 is classified as a deficient number based on the sum of its proper divisors. In computer science, 8989 is represented as 10001100011101 in binary and 231D in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
10001100011101
Base 2
Hexadecimal
231D
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum34
Digital Root7
Sum of Factors9180
Aliquot Sum191
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (89 × 101) reveals 2 prime building blocks.

Canonical form
89 × 101
89101
Divisibility Insights
  • Divisible by 2

    8989 ends in 9, so it is odd.

  • Divisible by 3

    The digit sum 34 is not a multiple of 3.

  • Divisible by 4

    The last two digits 89 are not divisible by 4.

  • Divisible by 5

    8989 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 34 is not a multiple of 9.

  • Divisible by 10

    8989 does not end in 0.

  • Divisible by 11

    The alternating digit sum -2 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 8989 within several notable number theory sequences:

Composite numbersDeficient numbers
Advertisement

Deep dive

How 8989 breaks down

8989 carries 4 distinct factors and a digit signature of 34 (7 as the digital root). The deficient classification indicates that its proper divisors sum to 191, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 10001100011101 supports bitwise reasoning, hexadecimal 231D aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 8989 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 8989 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (89848994) to tune search ranges, and educators feature 8989 in worksheets about factor trees. Its binary footprint of length 14 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 8989 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 8989

Is 8989 a prime number?

8989 is composite with 4 total factors and the prime factorization 89 × 101.

What is the prime factorization of 8989?

It breaks down as 89 × 101, multiplying the primes 89 × 101.

How is 8989 represented in binary and hexadecimal?

8989 converts to 10001100011101 in binary and 231D in hexadecimal, which are helpful for computer science applications.

Is 8989 a perfect square, cube, or triangular number?

8989 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 8989?

The digits sum to 34, producing a digital root of 7. These tests power divisibility shortcuts for 3 and 9.