2825
2825 is a odd composite number that follows 2824 and precedes 2826. It is composed of 6 distinct factors: 1, 5, 25, 113, 565, 2825. Its prime factorization can be written as 5^2 × 113. 2825 is classified as a deficient number based on the sum of its proper divisors. In computer science, 2825 is represented as 101100001001 in binary and B09 in hexadecimal. Historically, it is written as MMDCCCXXV in Roman numerals.
Factor Analysis
6 FactorsProperties
The prime factorization (5^2 × 113) reveals 3 prime building blocks.
Divisible by 2
2825 ends in 5, so it is odd.
Divisible by 3
The digit sum 17 is not a multiple of 3.
Divisible by 4
The last two digits 25 are not divisible by 4.
Divisible by 5
2825 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 17 is not a multiple of 9.
Divisible by 10
2825 does not end in 0.
Divisible by 11
The alternating digit sum -9 is not a multiple of 11.
Deficient classification and digit analytics place 2825 within several notable number theory sequences:
Timeline
Deep dive
How 2825 breaks down
2825 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 709, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 101100001001 supports bitwise reasoning, hexadecimal B09 aligns with computing notation, and the Roman numeral MMDCCCXXV keeps the encyclopedic tradition alive. These attributes make 2825 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 2825 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (2820–2830) to tune search ranges, and educators feature 2825 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 2825 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 2825
Is 2825 a prime number?
2825 is composite with 6 total factors and the prime factorization 5^2 × 113.
What is the prime factorization of 2825?
It breaks down as 5^2 × 113, multiplying the primes 5 × 5 × 113.
How is 2825 represented in binary and hexadecimal?
2825 converts to 101100001001 in binary and B09 in hexadecimal, which are helpful for computer science applications.
Is 2825 a perfect square, cube, or triangular number?
2825 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 2825?
The digits sum to 17, producing a digital root of 8. These tests power divisibility shortcuts for 3 and 9.