8728
8728 is a even composite number that follows 8727 and precedes 8729. It is composed of 8 distinct factors: 1, 2, 4, 8, 1091, 2182, 4364, 8728. Its prime factorization can be written as 2^3 × 1091. 8728 is classified as a deficient number based on the sum of its proper divisors. In computer science, 8728 is represented as 10001000011000 in binary and 2218 in hexadecimal.
Factor Analysis
8 FactorsProperties
The prime factorization (2^3 × 1091) reveals 4 prime building blocks.
Divisible by 2
8728 ends in 8, so it is even.
Divisible by 3
The digit sum 25 is not a multiple of 3.
Divisible by 4
The last two digits 28 form a multiple of 4.
Divisible by 5
8728 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 25 is not a multiple of 9.
Divisible by 10
8728 does not end in 0.
Divisible by 11
The alternating digit sum -5 is not a multiple of 11.
Deficient classification and digit analytics place 8728 within several notable number theory sequences:
Timeline
Deep dive
How 8728 breaks down
8728 carries 8 distinct factors and a digit signature of 25 (7 as the digital root). The deficient classification indicates that its proper divisors sum to 7652, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 10001000011000 supports bitwise reasoning, hexadecimal 2218 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 8728 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 8728 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (8723–8733) to tune search ranges, and educators feature 8728 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 8728 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 8728
Is 8728 a prime number?
8728 is composite with 8 total factors and the prime factorization 2^3 × 1091.
What is the prime factorization of 8728?
It breaks down as 2^3 × 1091, multiplying the primes 2 × 2 × 2 × 1091.
How is 8728 represented in binary and hexadecimal?
8728 converts to 10001000011000 in binary and 2218 in hexadecimal, which are helpful for computer science applications.
Is 8728 a perfect square, cube, or triangular number?
8728 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 8728?
The digits sum to 25, producing a digital root of 7. These tests power divisibility shortcuts for 3 and 9.