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Composite Number

1198

1198 is a even composite number that follows 1197 and precedes 1199. It is composed of 4 distinct factors: 1, 2, 599, 1198. Its prime factorization can be written as 2 × 599. 1198 is classified as a deficient number based on the sum of its proper divisors. In computer science, 1198 is represented as 10010101110 in binary and 4AE in hexadecimal. Historically, it is written as MCXCVIII in Roman numerals.

Roman Numeral
MCXCVIII
LatinClassic
Binary
10010101110
Base 2
Hexadecimal
4AE
Base 16

Factor Analysis

4 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum19
Digital Root1
Sum of Factors1800
Aliquot Sum602
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (2 × 599) reveals 2 prime building blocks.

Canonical form
2 × 599
2599
Divisibility Insights
  • Divisible by 2

    1198 ends in 8, so it is even.

  • Divisible by 3

    The digit sum 19 is not a multiple of 3.

  • Divisible by 4

    The last two digits 98 are not divisible by 4.

  • Divisible by 5

    1198 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 19 is not a multiple of 9.

  • Divisible by 10

    1198 does not end in 0.

  • Divisible by 11

    The alternating digit sum 1 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 1198 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 1198 breaks down

1198 carries 4 distinct factors and a digit signature of 19 (1 as the digital root). The deficient classification indicates that its proper divisors sum to 602, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 10010101110 supports bitwise reasoning, hexadecimal 4AE aligns with computing notation, and the Roman numeral MCXCVIII keeps the encyclopedic tradition alive. These attributes make 1198 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 1198 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (11931203) to tune search ranges, and educators feature 1198 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, Deficient numbers) help historians, numerologists, and trivia writers tie 1198 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 1198

Is 1198 a prime number?

1198 is composite with 4 total factors and the prime factorization 2 × 599.

What is the prime factorization of 1198?

It breaks down as 2 × 599, multiplying the primes 2 × 599.

How is 1198 represented in binary and hexadecimal?

1198 converts to 10010101110 in binary and 4AE in hexadecimal, which are helpful for computer science applications.

Is 1198 a perfect square, cube, or triangular number?

1198 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 1198?

The digits sum to 19, producing a digital root of 1. These tests power divisibility shortcuts for 3 and 9.