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Prime Number

5591

5591 is a odd prime number that follows 5590 and precedes 5592. As a prime number, 5591 is only divisible by 1 and itself. It holds a unique position in the sequence of integers. Its prime factorization is simply 5591. 5591 is classified as a deficient number based on the sum of its proper divisors. In computer science, 5591 is represented as 1010111010111 in binary and 15D7 in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
1010111010111
Base 2
Hexadecimal
15D7
Base 16

Factor Analysis

2 Factors

Properties

ParityOdd
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum20
Digital Root2
Sum of Factors5592
Aliquot Sum1
ClassificationDeficient
Prime Factors1
SequencesPrime numbers, Deficient numbers
Prime Factorization

5591 is prime, so its only factors are 1 and 5591.

Canonical form
5591
5591
Divisibility Insights
  • Divisible by 2

    5591 ends in 1, so it is odd.

  • Divisible by 3

    The digit sum 20 is not a multiple of 3.

  • Divisible by 4

    The last two digits 91 are not divisible by 4.

  • Divisible by 5

    5591 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 20 is not a multiple of 9.

  • Divisible by 10

    5591 does not end in 0.

  • Divisible by 11

    The alternating digit sum 8 is not a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 5591 within several notable number theory sequences:

Prime numbersDeficient numbers
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Deep dive

How 5591 breaks down

5591 carries 2 distinct factors and a digit signature of 20 (2 as the digital root). The deficient classification indicates that its proper divisors sum to 1, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1010111010111 supports bitwise reasoning, hexadecimal 15D7 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 5591 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 5591 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (55865596) to tune search ranges, and educators feature 5591 in worksheets about prime identification. 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 (Prime numbers, Deficient numbers) help historians, numerologists, and trivia writers tie 5591 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 5591

Is 5591 a prime number?

5591 is prime, meaning it is only divisible by 1 and itself.

What is the prime factorization of 5591?

5591 is already prime, so the factorization is simply 5591.

How is 5591 represented in binary and hexadecimal?

5591 converts to 1010111010111 in binary and 15D7 in hexadecimal, which are helpful for computer science applications.

Is 5591 a perfect square, cube, or triangular number?

5591 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 5591?

The digits sum to 20, producing a digital root of 2. These tests power divisibility shortcuts for 3 and 9.