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Composite Number

50

50 is a even composite number that follows 49 and precedes 51. It is composed of 6 distinct factors: 1, 2, 5, 10, 25, 50. Its prime factorization can be written as 2 × 5^2. 50 is classified as a deficient number based on the sum of its proper divisors. In computer science, 50 is represented as 110010 in binary and 32 in hexadecimal. Historically, it is written as L in Roman numerals.

Roman Numeral
L
LatinClassic
Binary
110010
Base 2
Hexadecimal
32
Base 16

Factor Analysis

6 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count2
Digit Sum5
Digital Root5
Sum of Factors93
Aliquot Sum43
ClassificationDeficient
Prime Factors3
SequencesComposite numbers, Deficient numbers
Prime Factorization

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

Canonical form
2 × 5^2
255
Divisibility Insights
  • Divisible by 2

    50 ends in 0, so it is even.

  • Divisible by 3

    The digit sum 5 is not a multiple of 3.

  • Divisible by 4

    The last two digits 50 are not divisible by 4.

  • Divisible by 5

    50 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 5 is not a multiple of 9.

  • Divisible by 10

    50 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 50 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 50 breaks down

50 carries 6 distinct factors and a digit signature of 5 (5 as the digital root). The deficient classification indicates that its proper divisors sum to 43, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 110010 supports bitwise reasoning, hexadecimal 32 aligns with computing notation, and the Roman numeral L keeps the encyclopedic tradition alive. These attributes make 50 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 50 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (4555) to tune search ranges, and educators feature 50 in worksheets about factor trees. Its binary footprint of length 6 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 50 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 50

Is 50 a prime number?

50 is composite with 6 total factors and the prime factorization 2 × 5^2.

What is the prime factorization of 50?

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

How is 50 represented in binary and hexadecimal?

50 converts to 110010 in binary and 32 in hexadecimal, which are helpful for computer science applications.

Is 50 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 50?

The digits sum to 5, producing a digital root of 5. These tests power divisibility shortcuts for 3 and 9.