2688
2688 is a even composite number that follows 2687 and precedes 2689. It is composed of 32 distinct factors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688. Its prime factorization can be written as 2^7 × 3 × 7. 2688 is classified as a abundant number based on the sum of its proper divisors. In computer science, 2688 is represented as 101010000000 in binary and A80 in hexadecimal. Historically, it is written as MMDCLXXXVIII in Roman numerals.
Factor Analysis
32 FactorsProperties
The prime factorization (2^7 × 3 × 7) reveals 9 prime building blocks.
Divisible by 2
2688 ends in 8, so it is even.
Divisible by 3
The digit sum 24 is a multiple of 3.
Divisible by 4
The last two digits 88 form a multiple of 4.
Divisible by 5
2688 does not end in 0 or 5.
Divisible by 6
It meets the tests for both 2 and 3, so it is divisible by 6.
Divisible by 9
The digit sum 24 is not a multiple of 9.
Divisible by 10
2688 does not end in 0.
Divisible by 11
The alternating digit sum -4 is not a multiple of 11.
Abundant classification and digit analytics place 2688 within several notable number theory sequences:
Timeline
Deep dive
How 2688 breaks down
2688 carries 32 distinct factors and a digit signature of 24 (6 as the digital root). The abundant classification indicates that its proper divisors sum to 5472, which exceeds the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 101010000000 supports bitwise reasoning, hexadecimal A80 aligns with computing notation, and the Roman numeral MMDCLXXXVIII keeps the encyclopedic tradition alive. These attributes make 2688 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 2688 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (2683–2693) to tune search ranges, and educators feature 2688 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, Abundant numbers) help historians, numerologists, and trivia writers tie 2688 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 2688
Is 2688 a prime number?
2688 is composite with 32 total factors and the prime factorization 2^7 × 3 × 7.
What is the prime factorization of 2688?
It breaks down as 2^7 × 3 × 7, multiplying the primes 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7.
How is 2688 represented in binary and hexadecimal?
2688 converts to 101010000000 in binary and A80 in hexadecimal, which are helpful for computer science applications.
Is 2688 a perfect square, cube, or triangular number?
2688 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 2688?
The digits sum to 24, producing a digital root of 6. These tests power divisibility shortcuts for 3 and 9.