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Composite Number

1967

1967 is a odd composite number that follows 1966 and precedes 1968. It is composed of 4 distinct factors: 1, 7, 281, 1967. Its prime factorization can be written as 7 × 281. 1967 is classified as a deficient number based on the sum of its proper divisors. In computer science, 1967 is represented as 11110101111 in binary and 7AF in hexadecimal. Historically, it is written as MCMLXVII in Roman numerals.

Roman Numeral
MCMLXVII
LatinClassic
Binary
11110101111
Base 2
Hexadecimal
7AF
Base 16

Factor Analysis

4 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum23
Digital Root5
Sum of Factors2256
Aliquot Sum289
ClassificationDeficient
Prime Factors2
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (7 × 281) reveals 2 prime building blocks.

Canonical form
7 × 281
7281
Divisibility Insights
  • Divisible by 2

    1967 ends in 7, so it is odd.

  • Divisible by 3

    The digit sum 23 is not a multiple of 3.

  • Divisible by 4

    The last two digits 67 are not divisible by 4.

  • Divisible by 5

    1967 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 23 is not a multiple of 9.

  • Divisible by 10

    1967 does not end in 0.

  • Divisible by 11

    The alternating digit sum -9 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 1967 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 1967 breaks down

1967 carries 4 distinct factors and a digit signature of 23 (5 as the digital root). The deficient classification indicates that its proper divisors sum to 289, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 11110101111 supports bitwise reasoning, hexadecimal 7AF aligns with computing notation, and the Roman numeral MCMLXVII keeps the encyclopedic tradition alive. These attributes make 1967 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 1967 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (19621972) to tune search ranges, and educators feature 1967 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 1967 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 1967

Is 1967 a prime number?

1967 is composite with 4 total factors and the prime factorization 7 × 281.

What is the prime factorization of 1967?

It breaks down as 7 × 281, multiplying the primes 7 × 281.

How is 1967 represented in binary and hexadecimal?

1967 converts to 11110101111 in binary and 7AF in hexadecimal, which are helpful for computer science applications.

Is 1967 a perfect square, cube, or triangular number?

1967 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 1967?

The digits sum to 23, producing a digital root of 5. These tests power divisibility shortcuts for 3 and 9.