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Composite Number

830

830 is a even composite number that follows 829 and precedes 831. It is composed of 8 distinct factors: 1, 2, 5, 10, 83, 166, 415, 830. Its prime factorization can be written as 2 × 5 × 83. 830 is classified as a deficient number based on the sum of its proper divisors. In computer science, 830 is represented as 1100111110 in binary and 33E in hexadecimal. Historically, it is written as DCCCXXX in Roman numerals.

Roman Numeral
DCCCXXX
LatinClassic
Binary
1100111110
Base 2
Hexadecimal
33E
Base 16

Factor Analysis

8 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count3
Digit Sum11
Digital Root2
Sum of Factors1512
Aliquot Sum682
ClassificationDeficient
Prime Factors3
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (2 × 5 × 83) reveals 3 prime building blocks.

Canonical form
2 × 5 × 83
2583
Divisibility Insights
  • Divisible by 2

    830 ends in 0, so it is even.

  • Divisible by 3

    The digit sum 11 is not a multiple of 3.

  • Divisible by 4

    The last two digits 30 are not divisible by 4.

  • Divisible by 5

    830 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 11 is not a multiple of 9.

  • Divisible by 10

    830 ends in 0.

  • Divisible by 11

    The alternating digit sum 5 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 830 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 830 breaks down

830 carries 8 distinct factors and a digit signature of 11 (2 as the digital root). The deficient classification indicates that its proper divisors sum to 682, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1100111110 supports bitwise reasoning, hexadecimal 33E aligns with computing notation, and the Roman numeral DCCCXXX keeps the encyclopedic tradition alive. These attributes make 830 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 830 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (825835) to tune search ranges, and educators feature 830 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 830 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 830

Is 830 a prime number?

830 is composite with 8 total factors and the prime factorization 2 × 5 × 83.

What is the prime factorization of 830?

It breaks down as 2 × 5 × 83, multiplying the primes 2 × 5 × 83.

How is 830 represented in binary and hexadecimal?

830 converts to 1100111110 in binary and 33E in hexadecimal, which are helpful for computer science applications.

Is 830 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 830?

The digits sum to 11, producing a digital root of 2. These tests power divisibility shortcuts for 3 and 9.