The number 27159
27159 is a composite number with 8 divisors. Its prime factorisation is 3 × 11 × 823. Divisors (8): 1, 3, 11, 33, 823, 2469, 9053, 27159.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27159 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27159 is composite. Its prime factorisation is
- 3
The divisors add up to 39552; without 27159 itself that is 12393, so 27159 is deficient (12393 is less than 27159). Euler's totient φ(27159) = 16440 numbers up to 27159 share no factor with it.
- 4
The digits of 27159 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 38 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27159 = 3 \times 11 \times 823 \]
27159 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 39552 |
| Euler totient φ(n) | 16440 |
| Square | 737611281 |
| Cube | 20032784780679 |
| Square root | 164.799879 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 38 |
| Scientific notation | 2.7159 × |
27159 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand one hundred and fifty-nine |
| Binary (base 2) | 110101000010111 |
| Octal (base 8) | 65027 |
| Hexadecimal (base 16) | 6A17 |
| Base 3 | 1101020220 |
| As time | 27159 seconds = 7 h 32 min 39 s |
Is 27159 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 | Yes (27159 ÷ 3 = 9053) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (27159 ÷ 11 = 2469) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27159 a prime number?
No. 27159 = 3 × 11 × 823, so it is divisible by 3.
What are the factors of 27159?
1, 3, 11, 33, 823, 2469, 9053, 27159.
What is 27159 in binary?
110101000010111 (hexadecimal 6A17, octal 65027).
What is the square root of 27159?
About 164.7999.
Is 27159 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 27159?
It is a composite number with 8 divisors.