779
779 is a odd composite number that follows 778 and precedes 780. It is composed of 4 distinct factors: 1, 19, 41, 779. Its prime factorization can be written as 19 × 41. 779 is classified as a deficient number based on the sum of its proper divisors. In computer science, 779 is represented as 1100001011 in binary and 30B in hexadecimal. Historically, it is written as DCCLXXIX in Roman numerals.
Factor Analysis
4 FactorsProperties
The prime factorization (19 × 41) reveals 2 prime building blocks.
Divisible by 2
779 ends in 9, so it is odd.
Divisible by 3
The digit sum 23 is not a multiple of 3.
Divisible by 4
The last two digits 79 are not divisible by 4.
Divisible by 5
779 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 23 is not a multiple of 9.
Divisible by 10
779 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 779 within several notable number theory sequences:
Timeline
Deep dive
How 779 breaks down
779 carries 4 distinct factors and a digit signature of 23 (5 as the digital root). The deficient classification indicates that its proper divisors sum to 61, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1100001011 supports bitwise reasoning, hexadecimal 30B aligns with computing notation, and the Roman numeral DCCLXXIX keeps the encyclopedic tradition alive. These attributes make 779 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 779 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (774–784) to tune search ranges, and educators feature 779 in worksheets about factor trees. Its binary footprint of length 10 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 779 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 779
Is 779 a prime number?
779 is composite with 4 total factors and the prime factorization 19 × 41.
What is the prime factorization of 779?
It breaks down as 19 × 41, multiplying the primes 19 × 41.
How is 779 represented in binary and hexadecimal?
779 converts to 1100001011 in binary and 30B in hexadecimal, which are helpful for computer science applications.
Is 779 a perfect square, cube, or triangular number?
779 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 779?
The digits sum to 23, producing a digital root of 5. These tests power divisibility shortcuts for 3 and 9.