2542
2542 is a even composite number that follows 2541 and precedes 2543. It is composed of 8 distinct factors: 1, 2, 31, 41, 62, 82, 1271, 2542. Its prime factorization can be written as 2 × 31 × 41. 2542 is classified as a deficient number based on the sum of its proper divisors. In computer science, 2542 is represented as 100111101110 in binary and 9EE in hexadecimal. Historically, it is written as MMDXLII in Roman numerals.
Factor Analysis
8 FactorsProperties
The prime factorization (2 × 31 × 41) reveals 3 prime building blocks.
Divisible by 2
2542 ends in 2, so it is even.
Divisible by 3
The digit sum 13 is not a multiple of 3.
Divisible by 4
The last two digits 42 are not divisible by 4.
Divisible by 5
2542 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 13 is not a multiple of 9.
Divisible by 10
2542 does not end in 0.
Divisible by 11
The alternating digit sum -1 is not a multiple of 11.
Deficient classification and digit analytics place 2542 within several notable number theory sequences:
Timeline
Deep dive
How 2542 breaks down
2542 carries 8 distinct factors and a digit signature of 13 (4 as the digital root). The deficient classification indicates that its proper divisors sum to 1490, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 100111101110 supports bitwise reasoning, hexadecimal 9EE aligns with computing notation, and the Roman numeral MMDXLII keeps the encyclopedic tradition alive. These attributes make 2542 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 2542 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (2537–2547) to tune search ranges, and educators feature 2542 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 2542 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 2542
Is 2542 a prime number?
2542 is composite with 8 total factors and the prime factorization 2 × 31 × 41.
What is the prime factorization of 2542?
It breaks down as 2 × 31 × 41, multiplying the primes 2 × 31 × 41.
How is 2542 represented in binary and hexadecimal?
2542 converts to 100111101110 in binary and 9EE in hexadecimal, which are helpful for computer science applications.
Is 2542 a perfect square, cube, or triangular number?
2542 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 2542?
The digits sum to 13, producing a digital root of 4. These tests power divisibility shortcuts for 3 and 9.