3649
3649 is a odd composite number that follows 3648 and precedes 3650. It is composed of 4 distinct factors: 1, 41, 89, 3649. Its prime factorization can be written as 41 × 89. 3649 is classified as a deficient number based on the sum of its proper divisors. In computer science, 3649 is represented as 111001000001 in binary and E41 in hexadecimal. Historically, it is written as MMMDCXLIX in Roman numerals.
Factor Analysis
4 FactorsProperties
The prime factorization (41 × 89) reveals 2 prime building blocks.
Divisible by 2
3649 ends in 9, so it is odd.
Divisible by 3
The digit sum 22 is not a multiple of 3.
Divisible by 4
The last two digits 49 are not divisible by 4.
Divisible by 5
3649 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 22 is not a multiple of 9.
Divisible by 10
3649 does not end in 0.
Divisible by 11
The alternating digit sum -8 is not a multiple of 11.
Deficient classification and digit analytics place 3649 within several notable number theory sequences:
Timeline
Deep dive
How 3649 breaks down
3649 carries 4 distinct factors and a digit signature of 22 (4 as the digital root). The deficient classification indicates that its proper divisors sum to 131, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 111001000001 supports bitwise reasoning, hexadecimal E41 aligns with computing notation, and the Roman numeral MMMDCXLIX keeps the encyclopedic tradition alive. These attributes make 3649 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 3649 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (3644–3654) to tune search ranges, and educators feature 3649 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 3649 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 3649
Is 3649 a prime number?
3649 is composite with 4 total factors and the prime factorization 41 × 89.
What is the prime factorization of 3649?
It breaks down as 41 × 89, multiplying the primes 41 × 89.
How is 3649 represented in binary and hexadecimal?
3649 converts to 111001000001 in binary and E41 in hexadecimal, which are helpful for computer science applications.
Is 3649 a perfect square, cube, or triangular number?
3649 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 3649?
The digits sum to 22, producing a digital root of 4. These tests power divisibility shortcuts for 3 and 9.