3549
3549 is a odd composite number that follows 3548 and precedes 3550. It is composed of 12 distinct factors: 1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549. Its prime factorization can be written as 3 × 7 × 13^2. 3549 is classified as a deficient number based on the sum of its proper divisors. In computer science, 3549 is represented as 110111011101 in binary and DDD in hexadecimal. Historically, it is written as MMMDXLIX in Roman numerals.
Factor Analysis
12 FactorsProperties
The prime factorization (3 × 7 × 13^2) reveals 4 prime building blocks.
Divisible by 2
3549 ends in 9, so it is odd.
Divisible by 3
The digit sum 21 is a multiple of 3.
Divisible by 4
The last two digits 49 are not divisible by 4.
Divisible by 5
3549 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 21 is not a multiple of 9.
Divisible by 10
3549 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 3549 within several notable number theory sequences:
Timeline
Deep dive
How 3549 breaks down
3549 carries 12 distinct factors and a digit signature of 21 (3 as the digital root). The deficient classification indicates that its proper divisors sum to 2307, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 110111011101 supports bitwise reasoning, hexadecimal DDD aligns with computing notation, and the Roman numeral MMMDXLIX keeps the encyclopedic tradition alive. These attributes make 3549 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 3549 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (3544–3554) to tune search ranges, and educators feature 3549 in worksheets about factor trees. Its binary footprint of length 12 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 3549 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 3549
Is 3549 a prime number?
3549 is composite with 12 total factors and the prime factorization 3 × 7 × 13^2.
What is the prime factorization of 3549?
It breaks down as 3 × 7 × 13^2, multiplying the primes 3 × 7 × 13 × 13.
How is 3549 represented in binary and hexadecimal?
3549 converts to 110111011101 in binary and DDD in hexadecimal, which are helpful for computer science applications.
Is 3549 a perfect square, cube, or triangular number?
3549 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 3549?
The digits sum to 21, producing a digital root of 3. These tests power divisibility shortcuts for 3 and 9.