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Composite Number

717

717 is a odd composite number that follows 716 and precedes 718. It is composed of 4 distinct factors: 1, 3, 239, 717. Its prime factorization can be written as 3 × 239. 717 is classified as a deficient number based on the sum of its proper divisors. In computer science, 717 is represented as 1011001101 in binary and 2CD in hexadecimal. Historically, it is written as DCCXVII in Roman numerals.

Roman Numeral
DCCXVII
LatinClassic
Binary
1011001101
Base 2
Hexadecimal
2CD
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count3
Digit Sum15
Digital Root6
Sum of Factors960
Aliquot Sum243
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (3 × 239) reveals 2 prime building blocks.

Canonical form
3 × 239
3239
Divisibility Insights
  • Divisible by 2

    717 ends in 7, so it is odd.

  • Divisible by 3

    The digit sum 15 is a multiple of 3.

  • Divisible by 4

    The last two digits 17 are not divisible by 4.

  • Divisible by 5

    717 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 15 is not a multiple of 9.

  • Divisible by 10

    717 does not end in 0.

  • Divisible by 11

    The alternating digit sum 13 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 717 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 717 breaks down

717 carries 4 distinct factors and a digit signature of 15 (6 as the digital root). The deficient classification indicates that its proper divisors sum to 243, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1011001101 supports bitwise reasoning, hexadecimal 2CD aligns with computing notation, and the Roman numeral DCCXVII keeps the encyclopedic tradition alive. These attributes make 717 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 717 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (712722) to tune search ranges, and educators feature 717 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 717 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 717

Is 717 a prime number?

717 is composite with 4 total factors and the prime factorization 3 × 239.

What is the prime factorization of 717?

It breaks down as 3 × 239, multiplying the primes 3 × 239.

How is 717 represented in binary and hexadecimal?

717 converts to 1011001101 in binary and 2CD in hexadecimal, which are helpful for computer science applications.

Is 717 a perfect square, cube, or triangular number?

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

What are the digit sum and digital root of 717?

The digits sum to 15, producing a digital root of 6. These tests power divisibility shortcuts for 3 and 9.