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Composite Number

886

886 is a even composite number that follows 885 and precedes 887. It is composed of 4 distinct factors: 1, 2, 443, 886. Its prime factorization can be written as 2 × 443. 886 is classified as a deficient number based on the sum of its proper divisors. In computer science, 886 is represented as 1101110110 in binary and 376 in hexadecimal. Historically, it is written as DCCCLXXXVI in Roman numerals.

Roman Numeral
DCCCLXXXVI
LatinClassic
Binary
1101110110
Base 2
Hexadecimal
376
Base 16

Factor Analysis

4 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count3
Digit Sum22
Digital Root4
Sum of Factors1332
Aliquot Sum446
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (2 × 443) reveals 2 prime building blocks.

Canonical form
2 × 443
2443
Divisibility Insights
  • Divisible by 2

    886 ends in 6, so it is even.

  • Divisible by 3

    The digit sum 22 is not a multiple of 3.

  • Divisible by 4

    The last two digits 86 are not divisible by 4.

  • Divisible by 5

    886 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 22 is not a multiple of 9.

  • Divisible by 10

    886 does not end in 0.

  • Divisible by 11

    The alternating digit sum 6 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 886 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 886 breaks down

886 carries 4 distinct factors and a digit signature of 22 (4 as the digital root). The deficient classification indicates that its proper divisors sum to 446, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1101110110 supports bitwise reasoning, hexadecimal 376 aligns with computing notation, and the Roman numeral DCCCLXXXVI keeps the encyclopedic tradition alive. These attributes make 886 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 886 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (881891) to tune search ranges, and educators feature 886 in worksheets about factor trees. Its binary footprint of length 10 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 886 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 886

Is 886 a prime number?

886 is composite with 4 total factors and the prime factorization 2 × 443.

What is the prime factorization of 886?

It breaks down as 2 × 443, multiplying the primes 2 × 443.

How is 886 represented in binary and hexadecimal?

886 converts to 1101110110 in binary and 376 in hexadecimal, which are helpful for computer science applications.

Is 886 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 886?

The digits sum to 22, producing a digital root of 4. These tests power divisibility shortcuts for 3 and 9.