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Composite Number

1029

1029 is a odd composite number that follows 1028 and precedes 1030. It is composed of 8 distinct factors: 1, 3, 7, 21, 49, 147, 343, 1029. Its prime factorization can be written as 3 × 7^3. 1029 is classified as a deficient number based on the sum of its proper divisors. In computer science, 1029 is represented as 10000000101 in binary and 405 in hexadecimal. Historically, it is written as MXXIX in Roman numerals.

Roman Numeral
MXXIX
LatinClassic
Binary
10000000101
Base 2
Hexadecimal
405
Base 16

Factor Analysis

8 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum12
Digital Root3
Sum of Factors1600
Aliquot Sum571
ClassificationDeficient
Prime Factors4
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (3 × 7^3) reveals 4 prime building blocks.

Canonical form
3 × 7^3
3777
Divisibility Insights
  • Divisible by 2

    1029 ends in 9, so it is odd.

  • Divisible by 3

    The digit sum 12 is a multiple of 3.

  • Divisible by 4

    The last two digits 29 are not divisible by 4.

  • Divisible by 5

    1029 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 12 is not a multiple of 9.

  • Divisible by 10

    1029 does not end in 0.

  • Divisible by 11

    The alternating digit sum -6 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 1029 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 1029 breaks down

1029 carries 8 distinct factors and a digit signature of 12 (3 as the digital root). The deficient classification indicates that its proper divisors sum to 571, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 10000000101 supports bitwise reasoning, hexadecimal 405 aligns with computing notation, and the Roman numeral MXXIX keeps the encyclopedic tradition alive. These attributes make 1029 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 1029 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (10241034) to tune search ranges, and educators feature 1029 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 1029 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 1029

Is 1029 a prime number?

1029 is composite with 8 total factors and the prime factorization 3 × 7^3.

What is the prime factorization of 1029?

It breaks down as 3 × 7^3, multiplying the primes 3 × 7 × 7 × 7.

How is 1029 represented in binary and hexadecimal?

1029 converts to 10000000101 in binary and 405 in hexadecimal, which are helpful for computer science applications.

Is 1029 a perfect square, cube, or triangular number?

1029 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 1029?

The digits sum to 12, producing a digital root of 3. These tests power divisibility shortcuts for 3 and 9.