3225
3225 is a odd composite number that follows 3224 and precedes 3226. It is composed of 12 distinct factors: 1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225. Its prime factorization can be written as 3 × 5^2 × 43. 3225 is classified as a deficient number based on the sum of its proper divisors. In computer science, 3225 is represented as 110010011001 in binary and C99 in hexadecimal. Historically, it is written as MMMCCXXV in Roman numerals.
Factor Analysis
12 FactorsProperties
The prime factorization (3 × 5^2 × 43) reveals 4 prime building blocks.
Divisible by 2
3225 ends in 5, so it is odd.
Divisible by 3
The digit sum 12 is a multiple of 3.
Divisible by 4
The last two digits 25 are not divisible by 4.
Divisible by 5
3225 ends in 5, 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 12 is not a multiple of 9.
Divisible by 10
3225 does not end in 0.
Divisible by 11
The alternating digit sum -2 is not a multiple of 11.
Deficient classification and digit analytics place 3225 within several notable number theory sequences:
Timeline
Deep dive
How 3225 breaks down
3225 carries 12 distinct factors and a digit signature of 12 (3 as the digital root). The deficient classification indicates that its proper divisors sum to 2231, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 110010011001 supports bitwise reasoning, hexadecimal C99 aligns with computing notation, and the Roman numeral MMMCCXXV keeps the encyclopedic tradition alive. These attributes make 3225 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 3225 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (3220–3230) to tune search ranges, and educators feature 3225 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 3225 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 3225
Is 3225 a prime number?
3225 is composite with 12 total factors and the prime factorization 3 × 5^2 × 43.
What is the prime factorization of 3225?
It breaks down as 3 × 5^2 × 43, multiplying the primes 3 × 5 × 5 × 43.
How is 3225 represented in binary and hexadecimal?
3225 converts to 110010011001 in binary and C99 in hexadecimal, which are helpful for computer science applications.
Is 3225 a perfect square, cube, or triangular number?
3225 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 3225?
The digits sum to 12, producing a digital root of 3. These tests power divisibility shortcuts for 3 and 9.