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Composite Number

16988

16988 is a even composite number that follows 16987 and precedes 16989. It is composed of 12 distinct factors: 1, 2, 4, 31, 62, 124, 137, 274, 548, 4247, 8494, 16988. Its prime factorization can be written as 2^2 × 31 × 137. 16988 is classified as a deficient number based on the sum of its proper divisors. In computer science, 16988 is represented as 100001001011100 in binary and 425C in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
100001001011100
Base 2
Hexadecimal
425C
Base 16

Factor Analysis

12 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count5
Digit Sum32
Digital Root5
Sum of Factors30912
Aliquot Sum13924
ClassificationDeficient
Prime Factors4
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (2^2 × 31 × 137) reveals 4 prime building blocks.

Canonical form
2^2 × 31 × 137
2231137
Divisibility Insights
  • Divisible by 2

    16988 ends in 8, so it is even.

  • Divisible by 3

    The digit sum 32 is not a multiple of 3.

  • Divisible by 4

    The last two digits 88 form a multiple of 4.

  • Divisible by 5

    16988 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 32 is not a multiple of 9.

  • Divisible by 10

    16988 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 16988 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 16988 breaks down

16988 carries 12 distinct factors and a digit signature of 32 (5 as the digital root). The deficient classification indicates that its proper divisors sum to 13924, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 100001001011100 supports bitwise reasoning, hexadecimal 425C aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 16988 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 16988 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (1698316993) to tune search ranges, and educators feature 16988 in worksheets about factor trees. Its binary footprint of length 15 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 16988 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 16988

Is 16988 a prime number?

16988 is composite with 12 total factors and the prime factorization 2^2 × 31 × 137.

What is the prime factorization of 16988?

It breaks down as 2^2 × 31 × 137, multiplying the primes 2 × 2 × 31 × 137.

How is 16988 represented in binary and hexadecimal?

16988 converts to 100001001011100 in binary and 425C in hexadecimal, which are helpful for computer science applications.

Is 16988 a perfect square, cube, or triangular number?

16988 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 16988?

The digits sum to 32, producing a digital root of 5. These tests power divisibility shortcuts for 3 and 9.