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Composite Number

1098

1098 is a even composite number that follows 1097 and precedes 1099. It is composed of 12 distinct factors: 1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098. Its prime factorization can be written as 2 × 3^2 × 61. 1098 is classified as a abundant number based on the sum of its proper divisors. In computer science, 1098 is represented as 10001001010 in binary and 44A in hexadecimal. Historically, it is written as MXCVIII in Roman numerals.

Roman Numeral
MXCVIII
LatinClassic
Binary
10001001010
Base 2
Hexadecimal
44A
Base 16

Factor Analysis

12 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum18
Digital Root9
Sum of Factors2418
Aliquot Sum1320
ClassificationAbundant
Prime Factors4
SequencesComposite numbers, Abundant numbers
Prime Factorization

The prime factorization (2 × 3^2 × 61) reveals 4 prime building blocks.

Canonical form
2 × 3^2 × 61
23361
Divisibility Insights
  • Divisible by 2

    1098 ends in 8, so it is even.

  • Divisible by 3

    The digit sum 18 is a multiple of 3.

  • Divisible by 4

    The last two digits 98 are not divisible by 4.

  • Divisible by 5

    1098 does not end in 0 or 5.

  • Divisible by 6

    It meets the tests for both 2 and 3, so it is divisible by 6.

  • Divisible by 9

    The digit sum 18 is a multiple of 9.

  • Divisible by 10

    1098 does not end in 0.

  • Divisible by 11

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

Sequence Membership

Abundant classification and digit analytics place 1098 within several notable number theory sequences:

Composite numbersAbundant numbers
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Deep dive

How 1098 breaks down

1098 carries 12 distinct factors and a digit signature of 18 (9 as the digital root). The abundant classification indicates that its proper divisors sum to 1320, which exceeds the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 10001001010 supports bitwise reasoning, hexadecimal 44A aligns with computing notation, and the Roman numeral MXCVIII keeps the encyclopedic tradition alive. These attributes make 1098 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 1098 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (10931103) to tune search ranges, and educators feature 1098 in worksheets about factor trees. Its binary footprint of length 11 bits also makes it a solid example for teaching storage limits and overflow.

Beyond STEM, the classification and sequence tags (Composite numbers, Abundant numbers) help historians, numerologists, and trivia writers tie 1098 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 1098

Is 1098 a prime number?

1098 is composite with 12 total factors and the prime factorization 2 × 3^2 × 61.

What is the prime factorization of 1098?

It breaks down as 2 × 3^2 × 61, multiplying the primes 2 × 3 × 3 × 61.

How is 1098 represented in binary and hexadecimal?

1098 converts to 10001001010 in binary and 44A in hexadecimal, which are helpful for computer science applications.

Is 1098 a perfect square, cube, or triangular number?

1098 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 1098?

The digits sum to 18, producing a digital root of 9. These tests power divisibility shortcuts for 3 and 9.