8390
8390 is a even composite number that follows 8389 and precedes 8391. It is composed of 8 distinct factors: 1, 2, 5, 10, 839, 1678, 4195, 8390. Its prime factorization can be written as 2 × 5 × 839. 8390 is classified as a deficient number based on the sum of its proper divisors. In computer science, 8390 is represented as 10000011000110 in binary and 20C6 in hexadecimal.
Factor Analysis
8 FactorsProperties
The prime factorization (2 × 5 × 839) reveals 3 prime building blocks.
Divisible by 2
8390 ends in 0, so it is even.
Divisible by 3
The digit sum 20 is not a multiple of 3.
Divisible by 4
The last two digits 90 are not divisible by 4.
Divisible by 5
8390 ends in 0, so it is divisible by 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
8390 ends in 0.
Divisible by 11
The alternating digit sum 14 is not a multiple of 11.
Deficient classification and digit analytics place 8390 within several notable number theory sequences:
Timeline
Deep dive
How 8390 breaks down
8390 carries 8 distinct factors and a digit signature of 20 (2 as the digital root). The deficient classification indicates that its proper divisors sum to 6730, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 10000011000110 supports bitwise reasoning, hexadecimal 20C6 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 8390 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 8390 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (8385–8395) to tune search ranges, and educators feature 8390 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 8390 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 8390
Is 8390 a prime number?
8390 is composite with 8 total factors and the prime factorization 2 × 5 × 839.
What is the prime factorization of 8390?
It breaks down as 2 × 5 × 839, multiplying the primes 2 × 5 × 839.
How is 8390 represented in binary and hexadecimal?
8390 converts to 10000011000110 in binary and 20C6 in hexadecimal, which are helpful for computer science applications.
Is 8390 a perfect square, cube, or triangular number?
8390 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 8390?
The digits sum to 20, producing a digital root of 2. These tests power divisibility shortcuts for 3 and 9.