2231
2231 is a odd composite number that follows 2230 and precedes 2232. It is composed of 4 distinct factors: 1, 23, 97, 2231. Its prime factorization can be written as 23 × 97. 2231 is classified as a deficient number based on the sum of its proper divisors. In computer science, 2231 is represented as 100010110111 in binary and 8B7 in hexadecimal. Historically, it is written as MMCCXXXI in Roman numerals.
Factor Analysis
4 FactorsProperties
The prime factorization (23 × 97) reveals 2 prime building blocks.
Divisible by 2
2231 ends in 1, so it is odd.
Divisible by 3
The digit sum 8 is not a multiple of 3.
Divisible by 4
The last two digits 31 are not divisible by 4.
Divisible by 5
2231 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 8 is not a multiple of 9.
Divisible by 10
2231 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 2231 within several notable number theory sequences:
Timeline
Deep dive
How 2231 breaks down
2231 carries 4 distinct factors and a digit signature of 8 (8 as the digital root). The deficient classification indicates that its proper divisors sum to 121, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 100010110111 supports bitwise reasoning, hexadecimal 8B7 aligns with computing notation, and the Roman numeral MMCCXXXI keeps the encyclopedic tradition alive. These attributes make 2231 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 2231 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (2226–2236) to tune search ranges, and educators feature 2231 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 2231 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 2231
Is 2231 a prime number?
2231 is composite with 4 total factors and the prime factorization 23 × 97.
What is the prime factorization of 2231?
It breaks down as 23 × 97, multiplying the primes 23 × 97.
How is 2231 represented in binary and hexadecimal?
2231 converts to 100010110111 in binary and 8B7 in hexadecimal, which are helpful for computer science applications.
Is 2231 a perfect square, cube, or triangular number?
2231 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 2231?
The digits sum to 8, producing a digital root of 8. These tests power divisibility shortcuts for 3 and 9.