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Composite Number

1042

1042 is a even composite number that follows 1041 and precedes 1043. It is composed of 4 distinct factors: 1, 2, 521, 1042. Its prime factorization can be written as 2 × 521. 1042 is classified as a deficient number based on the sum of its proper divisors. In computer science, 1042 is represented as 10000010010 in binary and 412 in hexadecimal. Historically, it is written as MXLII in Roman numerals.

Roman Numeral
MXLII
LatinClassic
Binary
10000010010
Base 2
Hexadecimal
412
Base 16

Factor Analysis

4 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum7
Digital Root7
Sum of Factors1566
Aliquot Sum524
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (2 × 521) reveals 2 prime building blocks.

Canonical form
2 × 521
2521
Divisibility Insights
  • Divisible by 2

    1042 ends in 2, so it is even.

  • Divisible by 3

    The digit sum 7 is not a multiple of 3.

  • Divisible by 4

    The last two digits 42 are not divisible by 4.

  • Divisible by 5

    1042 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 7 is not a multiple of 9.

  • Divisible by 10

    1042 does not end in 0.

  • Divisible by 11

    The alternating digit sum 3 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 1042 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 1042 breaks down

1042 carries 4 distinct factors and a digit signature of 7 (7 as the digital root). The deficient classification indicates that its proper divisors sum to 524, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 10000010010 supports bitwise reasoning, hexadecimal 412 aligns with computing notation, and the Roman numeral MXLII keeps the encyclopedic tradition alive. These attributes make 1042 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 1042 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (10371047) to tune search ranges, and educators feature 1042 in worksheets about factor trees. Its binary footprint of length 11 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 1042 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 1042

Is 1042 a prime number?

1042 is composite with 4 total factors and the prime factorization 2 × 521.

What is the prime factorization of 1042?

It breaks down as 2 × 521, multiplying the primes 2 × 521.

How is 1042 represented in binary and hexadecimal?

1042 converts to 10000010010 in binary and 412 in hexadecimal, which are helpful for computer science applications.

Is 1042 a perfect square, cube, or triangular number?

1042 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 1042?

The digits sum to 7, producing a digital root of 7. These tests power divisibility shortcuts for 3 and 9.