42240
42240 is a even composite number that follows 42239 and precedes 42241. It is composed of 72 distinct factors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1920, 2112, 2640, 2816, 3520, 3840, 4224, 5280, 7040, 8448, 10560, 14080, 21120, 42240. Its prime factorization can be written as 2^8 × 3 × 5 × 11. 42240 is classified as a abundant number based on the sum of its proper divisors. In computer science, 42240 is represented as 1010010100000000 in binary and A500 in hexadecimal.
Factor Analysis
72 FactorsProperties
The prime factorization (2^8 × 3 × 5 × 11) reveals 11 prime building blocks.
Divisible by 2
42240 ends in 0, so it is even.
Divisible by 3
The digit sum 12 is a multiple of 3.
Divisible by 4
The last two digits 40 form a multiple of 4.
Divisible by 5
42240 ends in 0, so it is divisible by 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
42240 ends in 0.
Divisible by 11
The alternating digit sum 0 is a multiple of 11.
Abundant classification and digit analytics place 42240 within several notable number theory sequences:
Timeline
Deep dive
How 42240 breaks down
42240 carries 72 distinct factors and a digit signature of 12 (3 as the digital root). The abundant classification indicates that its proper divisors sum to 104928, which exceeds the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1010010100000000 supports bitwise reasoning, hexadecimal A500 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 42240 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 42240 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (42235–42245) to tune search ranges, and educators feature 42240 in worksheets about factor trees. Its binary footprint of length 16 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 42240 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 42240
Is 42240 a prime number?
42240 is composite with 72 total factors and the prime factorization 2^8 × 3 × 5 × 11.
What is the prime factorization of 42240?
It breaks down as 2^8 × 3 × 5 × 11, multiplying the primes 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11.
How is 42240 represented in binary and hexadecimal?
42240 converts to 1010010100000000 in binary and A500 in hexadecimal, which are helpful for computer science applications.
Is 42240 a perfect square, cube, or triangular number?
42240 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 42240?
The digits sum to 12, producing a digital root of 3. These tests power divisibility shortcuts for 3 and 9.