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Composite Number

955

955 is a odd composite number that follows 954 and precedes 956. It is composed of 4 distinct factors: 1, 5, 191, 955. Its prime factorization can be written as 5 × 191. 955 is classified as a deficient number based on the sum of its proper divisors. In computer science, 955 is represented as 1110111011 in binary and 3BB in hexadecimal. Historically, it is written as CMLV in Roman numerals.

Roman Numeral
CMLV
LatinClassic
Binary
1110111011
Base 2
Hexadecimal
3BB
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count3
Digit Sum19
Digital Root1
Sum of Factors1152
Aliquot Sum197
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (5 × 191) reveals 2 prime building blocks.

Canonical form
5 × 191
5191
Divisibility Insights
  • Divisible by 2

    955 ends in 5, so it is odd.

  • Divisible by 3

    The digit sum 19 is not a multiple of 3.

  • Divisible by 4

    The last two digits 55 are not divisible by 4.

  • Divisible by 5

    955 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 19 is not a multiple of 9.

  • Divisible by 10

    955 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 955 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 955 breaks down

955 carries 4 distinct factors and a digit signature of 19 (1 as the digital root). The deficient classification indicates that its proper divisors sum to 197, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1110111011 supports bitwise reasoning, hexadecimal 3BB aligns with computing notation, and the Roman numeral CMLV keeps the encyclopedic tradition alive. These attributes make 955 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 955 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (950960) to tune search ranges, and educators feature 955 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 955 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 955

Is 955 a prime number?

955 is composite with 4 total factors and the prime factorization 5 × 191.

What is the prime factorization of 955?

It breaks down as 5 × 191, multiplying the primes 5 × 191.

How is 955 represented in binary and hexadecimal?

955 converts to 1110111011 in binary and 3BB in hexadecimal, which are helpful for computer science applications.

Is 955 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 955?

The digits sum to 19, producing a digital root of 1. These tests power divisibility shortcuts for 3 and 9.