The number 27317
27317 is a composite number with 4 divisors. Its prime factorisation is 59 × 463. Divisors (4): 1, 59, 463, 27317.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27317: a semiprime: 59 × 463, the product of two primes.
- 2
27317 is composite. Its prime factorisation is
- 3
The divisors add up to 27840; without 27317 itself that is 523, so 27317 is deficient (523 is less than 27317). Euler's totient φ(27317) = 26796 numbers up to 27317 share no factor with it.
- 4
The digits of 27317 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 152 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27317 = 59 \times 463 \]
27317 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 27840 |
| Euler totient φ(n) | 26796 |
| Square | 746218489 |
| Cube | 20384450464013 |
| Square root | 165.278553 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 152 |
| Scientific notation | 2.7317 × |
27317 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand three hundred and seventeen |
| Binary (base 2) | 110101010110101 |
| Octal (base 8) | 65265 |
| Hexadecimal (base 16) | 6AB5 |
| Base 3 | 1101110202 |
| As time | 27317 seconds = 7 h 35 min 17 s |
Is 27317 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27317 a prime number?
No. 27317 = 59 × 463, so it is divisible by 59.
What are the factors of 27317?
1, 59, 463, 27317.
What is 27317 in binary?
110101010110101 (hexadecimal 6AB5, octal 65265).
What is the square root of 27317?
About 165.2786.
Is 27317 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 27317?
27317 is a semiprime: 59 × 463, the product of two primes.