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Composite Number

16009

16009 is a odd composite number that follows 16008 and precedes 16010. It is composed of 4 distinct factors: 1, 7, 2287, 16009. Its prime factorization can be written as 7 × 2287. 16009 is classified as a deficient number based on the sum of its proper divisors. In computer science, 16009 is represented as 11111010001001 in binary and 3E89 in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
11111010001001
Base 2
Hexadecimal
3E89
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count5
Digit Sum16
Digital Root7
Sum of Factors18304
Aliquot Sum2295
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (7 × 2287) reveals 2 prime building blocks.

Canonical form
7 × 2287
72287
Divisibility Insights
  • Divisible by 2

    16009 ends in 9, so it is odd.

  • Divisible by 3

    The digit sum 16 is not a multiple of 3.

  • Divisible by 4

    The last two digits 09 are not divisible by 4.

  • Divisible by 5

    16009 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 16 is not a multiple of 9.

  • Divisible by 10

    16009 does not end in 0.

  • Divisible by 11

    The alternating digit sum 4 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 16009 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 16009 breaks down

16009 carries 4 distinct factors and a digit signature of 16 (7 as the digital root). The deficient classification indicates that its proper divisors sum to 2295, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 11111010001001 supports bitwise reasoning, hexadecimal 3E89 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 16009 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 16009 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (1600416014) to tune search ranges, and educators feature 16009 in worksheets about factor trees. Its binary footprint of length 14 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 16009 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 16009

Is 16009 a prime number?

16009 is composite with 4 total factors and the prime factorization 7 × 2287.

What is the prime factorization of 16009?

It breaks down as 7 × 2287, multiplying the primes 7 × 2287.

How is 16009 represented in binary and hexadecimal?

16009 converts to 11111010001001 in binary and 3E89 in hexadecimal, which are helpful for computer science applications.

Is 16009 a perfect square, cube, or triangular number?

16009 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 16009?

The digits sum to 16, producing a digital root of 7. These tests power divisibility shortcuts for 3 and 9.