6428
6428 is a even composite number that follows 6427 and precedes 6429. It is composed of 6 distinct factors: 1, 2, 4, 1607, 3214, 6428. Its prime factorization can be written as 2^2 × 1607. 6428 is classified as a deficient number based on the sum of its proper divisors. In computer science, 6428 is represented as 1100100011100 in binary and 191C in hexadecimal.
Factor Analysis
6 FactorsProperties
The prime factorization (2^2 × 1607) reveals 3 prime building blocks.
Divisible by 2
6428 ends in 8, so it is even.
Divisible by 3
The digit sum 20 is not a multiple of 3.
Divisible by 4
The last two digits 28 form a multiple of 4.
Divisible by 5
6428 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 20 is not a multiple of 9.
Divisible by 10
6428 does not end in 0.
Divisible by 11
The alternating digit sum -4 is not a multiple of 11.
Deficient classification and digit analytics place 6428 within several notable number theory sequences:
Timeline
Deep dive
How 6428 breaks down
6428 carries 6 distinct factors and a digit signature of 20 (2 as the digital root). The deficient classification indicates that its proper divisors sum to 4828, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1100100011100 supports bitwise reasoning, hexadecimal 191C aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 6428 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 6428 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (6423–6433) to tune search ranges, and educators feature 6428 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 6428 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 6428
Is 6428 a prime number?
6428 is composite with 6 total factors and the prime factorization 2^2 × 1607.
What is the prime factorization of 6428?
It breaks down as 2^2 × 1607, multiplying the primes 2 × 2 × 1607.
How is 6428 represented in binary and hexadecimal?
6428 converts to 1100100011100 in binary and 191C in hexadecimal, which are helpful for computer science applications.
Is 6428 a perfect square, cube, or triangular number?
6428 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 6428?
The digits sum to 20, producing a digital root of 2. These tests power divisibility shortcuts for 3 and 9.