539
539 is a odd composite number that follows 538 and precedes 540. It is composed of 6 distinct factors: 1, 7, 11, 49, 77, 539. Its prime factorization can be written as 7^2 × 11. 539 is classified as a deficient number based on the sum of its proper divisors. In computer science, 539 is represented as 1000011011 in binary and 21B in hexadecimal. Historically, it is written as DXXXIX in Roman numerals.
Factor Analysis
6 FactorsProperties
The prime factorization (7^2 × 11) reveals 3 prime building blocks.
Divisible by 2
539 ends in 9, so it is odd.
Divisible by 3
The digit sum 17 is not a multiple of 3.
Divisible by 4
The last two digits 39 are not divisible by 4.
Divisible by 5
539 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 17 is not a multiple of 9.
Divisible by 10
539 does not end in 0.
Divisible by 11
The alternating digit sum 11 is a multiple of 11.
Deficient classification and digit analytics place 539 within several notable number theory sequences:
Timeline
Deep dive
How 539 breaks down
539 carries 6 distinct factors and a digit signature of 17 (8 as the digital root). The deficient classification indicates that its proper divisors sum to 145, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1000011011 supports bitwise reasoning, hexadecimal 21B aligns with computing notation, and the Roman numeral DXXXIX keeps the encyclopedic tradition alive. These attributes make 539 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 539 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (534–544) to tune search ranges, and educators feature 539 in worksheets about factor trees. Its binary footprint of length 10 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 539 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 539
Is 539 a prime number?
539 is composite with 6 total factors and the prime factorization 7^2 × 11.
What is the prime factorization of 539?
It breaks down as 7^2 × 11, multiplying the primes 7 × 7 × 11.
How is 539 represented in binary and hexadecimal?
539 converts to 1000011011 in binary and 21B in hexadecimal, which are helpful for computer science applications.
Is 539 a perfect square, cube, or triangular number?
539 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 539?
The digits sum to 17, producing a digital root of 8. These tests power divisibility shortcuts for 3 and 9.