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Composite Number

2859

2859 is a odd composite number that follows 2858 and precedes 2860. It is composed of 4 distinct factors: 1, 3, 953, 2859. Its prime factorization can be written as 3 × 953. 2859 is classified as a deficient number based on the sum of its proper divisors. In computer science, 2859 is represented as 101100101011 in binary and B2B in hexadecimal. Historically, it is written as MMDCCCLIX in Roman numerals.

Roman Numeral
MMDCCCLIX
LatinClassic
Binary
101100101011
Base 2
Hexadecimal
B2B
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum24
Digital Root6
Sum of Factors3816
Aliquot Sum957
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (3 × 953) reveals 2 prime building blocks.

Canonical form
3 × 953
3953
Divisibility Insights
  • Divisible by 2

    2859 ends in 9, so it is odd.

  • Divisible by 3

    The digit sum 24 is a multiple of 3.

  • Divisible by 4

    The last two digits 59 are not divisible by 4.

  • Divisible by 5

    2859 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 24 is not a multiple of 9.

  • Divisible by 10

    2859 does not end in 0.

  • Divisible by 11

    The alternating digit sum -10 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 2859 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 2859 breaks down

2859 carries 4 distinct factors and a digit signature of 24 (6 as the digital root). The deficient classification indicates that its proper divisors sum to 957, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 101100101011 supports bitwise reasoning, hexadecimal B2B aligns with computing notation, and the Roman numeral MMDCCCLIX keeps the encyclopedic tradition alive. These attributes make 2859 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 2859 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (28542864) to tune search ranges, and educators feature 2859 in worksheets about factor trees. Its binary footprint of length 12 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 2859 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 2859

Is 2859 a prime number?

2859 is composite with 4 total factors and the prime factorization 3 × 953.

What is the prime factorization of 2859?

It breaks down as 3 × 953, multiplying the primes 3 × 953.

How is 2859 represented in binary and hexadecimal?

2859 converts to 101100101011 in binary and B2B in hexadecimal, which are helpful for computer science applications.

Is 2859 a perfect square, cube, or triangular number?

2859 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 2859?

The digits sum to 24, producing a digital root of 6. These tests power divisibility shortcuts for 3 and 9.