694
694 is a even composite number that follows 693 and precedes 695. It is composed of 4 distinct factors: 1, 2, 347, 694. Its prime factorization can be written as 2 × 347. 694 is classified as a deficient number based on the sum of its proper divisors. In computer science, 694 is represented as 1010110110 in binary and 2B6 in hexadecimal. Historically, it is written as DCXCIV in Roman numerals.
Factor Analysis
4 FactorsProperties
The prime factorization (2 × 347) reveals 2 prime building blocks.
Divisible by 2
694 ends in 4, so it is even.
Divisible by 3
The digit sum 19 is not a multiple of 3.
Divisible by 4
The last two digits 94 are not divisible by 4.
Divisible by 5
694 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 19 is not a multiple of 9.
Divisible by 10
694 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 694 within several notable number theory sequences:
Timeline
Deep dive
How 694 breaks down
694 carries 4 distinct factors and a digit signature of 19 (1 as the digital root). The deficient classification indicates that its proper divisors sum to 350, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1010110110 supports bitwise reasoning, hexadecimal 2B6 aligns with computing notation, and the Roman numeral DCXCIV keeps the encyclopedic tradition alive. These attributes make 694 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 694 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (689–699) to tune search ranges, and educators feature 694 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 694 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 694
Is 694 a prime number?
694 is composite with 4 total factors and the prime factorization 2 × 347.
What is the prime factorization of 694?
It breaks down as 2 × 347, multiplying the primes 2 × 347.
How is 694 represented in binary and hexadecimal?
694 converts to 1010110110 in binary and 2B6 in hexadecimal, which are helpful for computer science applications.
Is 694 a perfect square, cube, or triangular number?
694 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 694?
The digits sum to 19, producing a digital root of 1. These tests power divisibility shortcuts for 3 and 9.