5518
5518 is a even composite number that follows 5517 and precedes 5519. It is composed of 8 distinct factors: 1, 2, 31, 62, 89, 178, 2759, 5518. Its prime factorization can be written as 2 × 31 × 89. 5518 is classified as a deficient number based on the sum of its proper divisors. In computer science, 5518 is represented as 1010110001110 in binary and 158E in hexadecimal.
Factor Analysis
8 FactorsProperties
The prime factorization (2 × 31 × 89) reveals 3 prime building blocks.
Divisible by 2
5518 ends in 8, so it is even.
Divisible by 3
The digit sum 19 is not a multiple of 3.
Divisible by 4
The last two digits 18 are not divisible by 4.
Divisible by 5
5518 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 19 is not a multiple of 9.
Divisible by 10
5518 does not end in 0.
Divisible by 11
The alternating digit sum -7 is not a multiple of 11.
Deficient classification and digit analytics place 5518 within several notable number theory sequences:
Timeline
Deep dive
How 5518 breaks down
5518 carries 8 distinct factors and a digit signature of 19 (1 as the digital root). The deficient classification indicates that its proper divisors sum to 3122, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1010110001110 supports bitwise reasoning, hexadecimal 158E aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 5518 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 5518 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (5513–5523) to tune search ranges, and educators feature 5518 in worksheets about factor trees. Its binary footprint of length 13 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 5518 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 5518
Is 5518 a prime number?
5518 is composite with 8 total factors and the prime factorization 2 × 31 × 89.
What is the prime factorization of 5518?
It breaks down as 2 × 31 × 89, multiplying the primes 2 × 31 × 89.
How is 5518 represented in binary and hexadecimal?
5518 converts to 1010110001110 in binary and 158E in hexadecimal, which are helpful for computer science applications.
Is 5518 a perfect square, cube, or triangular number?
5518 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 5518?
The digits sum to 19, producing a digital root of 1. These tests power divisibility shortcuts for 3 and 9.