426
426 is a even composite number that follows 425 and precedes 427. It is composed of 8 distinct factors: 1, 2, 3, 6, 71, 142, 213, 426. Its prime factorization can be written as 2 × 3 × 71. 426 is classified as a abundant number based on the sum of its proper divisors. In computer science, 426 is represented as 110101010 in binary and 1AA in hexadecimal. Historically, it is written as CDXXVI in Roman numerals.
Factor Analysis
8 FactorsProperties
The prime factorization (2 × 3 × 71) reveals 3 prime building blocks.
Divisible by 2
426 ends in 6, so it is even.
Divisible by 3
The digit sum 12 is a multiple of 3.
Divisible by 4
The last two digits 26 are not divisible by 4.
Divisible by 5
426 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 12 is not a multiple of 9.
Divisible by 10
426 does not end in 0.
Divisible by 11
The alternating digit sum 8 is not a multiple of 11.
Abundant classification and digit analytics place 426 within several notable number theory sequences:
Timeline
Deep dive
How 426 breaks down
426 carries 8 distinct factors and a digit signature of 12 (3 as the digital root). The abundant classification indicates that its proper divisors sum to 438, which exceeds the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 110101010 supports bitwise reasoning, hexadecimal 1AA aligns with computing notation, and the Roman numeral CDXXVI keeps the encyclopedic tradition alive. These attributes make 426 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 426 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (421–431) to tune search ranges, and educators feature 426 in worksheets about factor trees. Its binary footprint of length 9 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 426 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 426
Is 426 a prime number?
426 is composite with 8 total factors and the prime factorization 2 × 3 × 71.
What is the prime factorization of 426?
It breaks down as 2 × 3 × 71, multiplying the primes 2 × 3 × 71.
How is 426 represented in binary and hexadecimal?
426 converts to 110101010 in binary and 1AA in hexadecimal, which are helpful for computer science applications.
Is 426 a perfect square, cube, or triangular number?
426 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 426?
The digits sum to 12, producing a digital root of 3. These tests power divisibility shortcuts for 3 and 9.