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Composite Number

8180

8180 is a even composite number that follows 8179 and precedes 8181. It is composed of 12 distinct factors: 1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180. Its prime factorization can be written as 2^2 × 5 × 409. 8180 is classified as a abundant number based on the sum of its proper divisors. In computer science, 8180 is represented as 1111111110100 in binary and 1FF4 in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
1111111110100
Base 2
Hexadecimal
1FF4
Base 16

Factor Analysis

12 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum17
Digital Root8
Sum of Factors17220
Aliquot Sum9040
ClassificationAbundant
Prime Factors4
SequencesComposite numbers, Abundant numbers
Prime Factorization

The prime factorization (2^2 × 5 × 409) reveals 4 prime building blocks.

Canonical form
2^2 × 5 × 409
225409
Divisibility Insights
  • Divisible by 2

    8180 ends in 0, so it is even.

  • Divisible by 3

    The digit sum 17 is not a multiple of 3.

  • Divisible by 4

    The last two digits 80 form a multiple of 4.

  • Divisible by 5

    8180 ends in 0, so it is divisible by 5.

  • Divisible by 6

    A number must be divisible by 2 and 3 to pass the 6-test.

  • Divisible by 9

    The digit sum 17 is not a multiple of 9.

  • Divisible by 10

    8180 ends in 0.

  • Divisible by 11

    The alternating digit sum 15 is not a multiple of 11.

Sequence Membership

Abundant classification and digit analytics place 8180 within several notable number theory sequences:

Composite numbersAbundant numbers
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Deep dive

How 8180 breaks down

8180 carries 12 distinct factors and a digit signature of 17 (8 as the digital root). The abundant classification indicates that its proper divisors sum to 9040, which exceeds the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1111111110100 supports bitwise reasoning, hexadecimal 1FF4 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 8180 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 8180 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (81758185) to tune search ranges, and educators feature 8180 in worksheets about factor trees. Its binary footprint of length 13 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 8180 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 8180

Is 8180 a prime number?

8180 is composite with 12 total factors and the prime factorization 2^2 × 5 × 409.

What is the prime factorization of 8180?

It breaks down as 2^2 × 5 × 409, multiplying the primes 2 × 2 × 5 × 409.

How is 8180 represented in binary and hexadecimal?

8180 converts to 1111111110100 in binary and 1FF4 in hexadecimal, which are helpful for computer science applications.

Is 8180 a perfect square, cube, or triangular number?

8180 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 8180?

The digits sum to 17, producing a digital root of 8. These tests power divisibility shortcuts for 3 and 9.