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Composite Number

995

995 is a odd composite number that follows 994 and precedes 996. It is composed of 4 distinct factors: 1, 5, 199, 995. Its prime factorization can be written as 5 × 199. 995 is classified as a deficient number based on the sum of its proper divisors. In computer science, 995 is represented as 1111100011 in binary and 3E3 in hexadecimal. Historically, it is written as CMXCV in Roman numerals.

Roman Numeral
CMXCV
LatinClassic
Binary
1111100011
Base 2
Hexadecimal
3E3
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count3
Digit Sum23
Digital Root5
Sum of Factors1200
Aliquot Sum205
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (5 × 199) reveals 2 prime building blocks.

Canonical form
5 × 199
5199
Divisibility Insights
  • Divisible by 2

    995 ends in 5, so it is odd.

  • Divisible by 3

    The digit sum 23 is not a multiple of 3.

  • Divisible by 4

    The last two digits 95 are not divisible by 4.

  • Divisible by 5

    995 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 23 is not a multiple of 9.

  • Divisible by 10

    995 does not end in 0.

  • Divisible by 11

    The alternating digit sum 5 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 995 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 995 breaks down

995 carries 4 distinct factors and a digit signature of 23 (5 as the digital root). The deficient classification indicates that its proper divisors sum to 205, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1111100011 supports bitwise reasoning, hexadecimal 3E3 aligns with computing notation, and the Roman numeral CMXCV keeps the encyclopedic tradition alive. These attributes make 995 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 995 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (9901000) to tune search ranges, and educators feature 995 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 995 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 995

Is 995 a prime number?

995 is composite with 4 total factors and the prime factorization 5 × 199.

What is the prime factorization of 995?

It breaks down as 5 × 199, multiplying the primes 5 × 199.

How is 995 represented in binary and hexadecimal?

995 converts to 1111100011 in binary and 3E3 in hexadecimal, which are helpful for computer science applications.

Is 995 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 995?

The digits sum to 23, producing a digital root of 5. These tests power divisibility shortcuts for 3 and 9.