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Composite Number

55425

55425 is a odd composite number that follows 55424 and precedes 55426. It is composed of 12 distinct factors: 1, 3, 5, 15, 25, 75, 739, 2217, 3695, 11085, 18475, 55425. Its prime factorization can be written as 3 × 5^2 × 739. 55425 is classified as a deficient number based on the sum of its proper divisors. In computer science, 55425 is represented as 1101100010000001 in binary and D881 in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
1101100010000001
Base 2
Hexadecimal
D881
Base 16

Factor Analysis

12 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count5
Digit Sum21
Digital Root3
Sum of Factors91760
Aliquot Sum36335
ClassificationDeficient
Prime Factors4
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (3 × 5^2 × 739) reveals 4 prime building blocks.

Canonical form
3 × 5^2 × 739
355739
Divisibility Insights
  • Divisible by 2

    55425 ends in 5, so it is odd.

  • Divisible by 3

    The digit sum 21 is a multiple of 3.

  • Divisible by 4

    The last two digits 25 are not divisible by 4.

  • Divisible by 5

    55425 ends in 5, 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 21 is not a multiple of 9.

  • Divisible by 10

    55425 does not end in 0.

  • Divisible by 11

    The alternating digit sum 7 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 55425 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 55425 breaks down

55425 carries 12 distinct factors and a digit signature of 21 (3 as the digital root). The deficient classification indicates that its proper divisors sum to 36335, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1101100010000001 supports bitwise reasoning, hexadecimal D881 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 55425 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 55425 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (5542055430) to tune search ranges, and educators feature 55425 in worksheets about factor trees. Its binary footprint of length 16 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 55425 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 55425

Is 55425 a prime number?

55425 is composite with 12 total factors and the prime factorization 3 × 5^2 × 739.

What is the prime factorization of 55425?

It breaks down as 3 × 5^2 × 739, multiplying the primes 3 × 5 × 5 × 739.

How is 55425 represented in binary and hexadecimal?

55425 converts to 1101100010000001 in binary and D881 in hexadecimal, which are helpful for computer science applications.

Is 55425 a perfect square, cube, or triangular number?

55425 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 55425?

The digits sum to 21, producing a digital root of 3. These tests power divisibility shortcuts for 3 and 9.