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Composite Number

526

526 is a even composite number that follows 525 and precedes 527. It is composed of 4 distinct factors: 1, 2, 263, 526. Its prime factorization can be written as 2 × 263. 526 is classified as a deficient number based on the sum of its proper divisors. In computer science, 526 is represented as 1000001110 in binary and 20E in hexadecimal. Historically, it is written as DXXVI in Roman numerals.

Roman Numeral
DXXVI
LatinClassic
Binary
1000001110
Base 2
Hexadecimal
20E
Base 16

Factor Analysis

4 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count3
Digit Sum13
Digital Root4
Sum of Factors792
Aliquot Sum266
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (2 × 263) reveals 2 prime building blocks.

Canonical form
2 × 263
2263
Divisibility Insights
  • Divisible by 2

    526 ends in 6, so it is even.

  • Divisible by 3

    The digit sum 13 is not a multiple of 3.

  • Divisible by 4

    The last two digits 26 are not divisible by 4.

  • Divisible by 5

    526 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 13 is not a multiple of 9.

  • Divisible by 10

    526 does not end in 0.

  • Divisible by 11

    The alternating digit sum 9 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 526 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 526 breaks down

526 carries 4 distinct factors and a digit signature of 13 (4 as the digital root). The deficient classification indicates that its proper divisors sum to 266, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1000001110 supports bitwise reasoning, hexadecimal 20E aligns with computing notation, and the Roman numeral DXXVI keeps the encyclopedic tradition alive. These attributes make 526 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 526 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (521531) to tune search ranges, and educators feature 526 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 526 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 526

Is 526 a prime number?

526 is composite with 4 total factors and the prime factorization 2 × 263.

What is the prime factorization of 526?

It breaks down as 2 × 263, multiplying the primes 2 × 263.

How is 526 represented in binary and hexadecimal?

526 converts to 1000001110 in binary and 20E in hexadecimal, which are helpful for computer science applications.

Is 526 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 526?

The digits sum to 13, producing a digital root of 4. These tests power divisibility shortcuts for 3 and 9.