The number 27087
27087 is a composite number with 4 divisors. Its prime factorisation is 3 × 9029. Divisors (4): 1, 3, 9029, 27087.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27087: a semiprime: 3 × 9029, the product of two primes.
- 2
27087 is composite. Its prime factorisation is
- 3
The divisors add up to 36120; without 27087 itself that is 9033, so 27087 is deficient (9033 is less than 27087). Euler's totient φ(27087) = 18056 numbers up to 27087 share no factor with it.
- 4
The digits of 27087 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 95 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27087 = 3 \times 9029 \]
27087 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 36120 |
| Euler totient φ(n) | 18056 |
| Square | 733705569 |
| Cube | 19873882747503 |
| Square root | 164.581287 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 95 |
| Scientific notation | 2.7087 × |
27087 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand and eighty-seven |
| Binary (base 2) | 110100111001111 |
| Octal (base 8) | 64717 |
| Hexadecimal (base 16) | 69CF |
| Base 3 | 1101011020 |
| As time | 27087 seconds = 7 h 31 min 27 s |
Is 27087 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 (27087 ÷ 3 = 9029) | 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 2) | 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 4) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | 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 27087 a prime number?
No. 27087 = 3 × 9029, so it is divisible by 3.
What are the factors of 27087?
1, 3, 9029, 27087.
What is 27087 in binary?
110100111001111 (hexadecimal 69CF, octal 64717).
What is the square root of 27087?
About 164.5813.
Is 27087 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 27087?
27087 is a semiprime: 3 × 9029, the product of two primes.