2761
2761 is a odd composite number that follows 2760 and precedes 2762. It is composed of 4 distinct factors: 1, 11, 251, 2761. Its prime factorization can be written as 11 × 251. 2761 is classified as a deficient number based on the sum of its proper divisors. In computer science, 2761 is represented as 101011001001 in binary and AC9 in hexadecimal. Historically, it is written as MMDCCLXI in Roman numerals.
Factor Analysis
4 FactorsProperties
The prime factorization (11 × 251) reveals 2 prime building blocks.
Divisible by 2
2761 ends in 1, so it is odd.
Divisible by 3
The digit sum 16 is not a multiple of 3.
Divisible by 4
The last two digits 61 are not divisible by 4.
Divisible by 5
2761 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 16 is not a multiple of 9.
Divisible by 10
2761 does not end in 0.
Divisible by 11
The alternating digit sum 0 is a multiple of 11.
Deficient classification and digit analytics place 2761 within several notable number theory sequences:
Timeline
Deep dive
How 2761 breaks down
2761 carries 4 distinct factors and a digit signature of 16 (7 as the digital root). The deficient classification indicates that its proper divisors sum to 263, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 101011001001 supports bitwise reasoning, hexadecimal AC9 aligns with computing notation, and the Roman numeral MMDCCLXI keeps the encyclopedic tradition alive. These attributes make 2761 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 2761 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (2756–2766) to tune search ranges, and educators feature 2761 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 2761 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 2761
Is 2761 a prime number?
2761 is composite with 4 total factors and the prime factorization 11 × 251.
What is the prime factorization of 2761?
It breaks down as 11 × 251, multiplying the primes 11 × 251.
How is 2761 represented in binary and hexadecimal?
2761 converts to 101011001001 in binary and AC9 in hexadecimal, which are helpful for computer science applications.
Is 2761 a perfect square, cube, or triangular number?
2761 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 2761?
The digits sum to 16, producing a digital root of 7. These tests power divisibility shortcuts for 3 and 9.