7642
7642 is a even composite number that follows 7641 and precedes 7643. It is composed of 4 distinct factors: 1, 2, 3821, 7642. Its prime factorization can be written as 2 × 3821. 7642 is classified as a deficient number based on the sum of its proper divisors. In computer science, 7642 is represented as 1110111011010 in binary and 1DDA in hexadecimal.
Factor Analysis
4 FactorsProperties
The prime factorization (2 × 3821) reveals 2 prime building blocks.
Divisible by 2
7642 ends in 2, so it is even.
Divisible by 3
The digit sum 19 is not a multiple of 3.
Divisible by 4
The last two digits 42 are not divisible by 4.
Divisible by 5
7642 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
7642 does not end in 0.
Divisible by 11
The alternating digit sum 3 is not a multiple of 11.
Deficient classification and digit analytics place 7642 within several notable number theory sequences:
Timeline
Deep dive
How 7642 breaks down
7642 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 3824, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1110111011010 supports bitwise reasoning, hexadecimal 1DDA aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 7642 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 7642 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (7637–7647) to tune search ranges, and educators feature 7642 in worksheets about factor trees. Its binary footprint of length 13 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 7642 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 7642
Is 7642 a prime number?
7642 is composite with 4 total factors and the prime factorization 2 × 3821.
What is the prime factorization of 7642?
It breaks down as 2 × 3821, multiplying the primes 2 × 3821.
How is 7642 represented in binary and hexadecimal?
7642 converts to 1110111011010 in binary and 1DDA in hexadecimal, which are helpful for computer science applications.
Is 7642 a perfect square, cube, or triangular number?
7642 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 7642?
The digits sum to 19, producing a digital root of 1. These tests power divisibility shortcuts for 3 and 9.