The number 27707
27707 is a composite number with 4 divisors. Its prime factorisation is 103 × 269. Divisors (4): 1, 103, 269, 27707.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27707: a semiprime: 103 × 269, the product of two primes.
- 2
27707 is composite. Its prime factorisation is
- 3
The divisors add up to 28080; without 27707 itself that is 373, so 27707 is deficient (373 is less than 27707). Euler's totient φ(27707) = 27336 numbers up to 27707 share no factor with it.
- 4
The digits of 27707 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 90 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27707 = 103 \times 269 \]
27707 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 28080 |
| Euler totient φ(n) | 27336 |
| Square | 767677849 |
| Cube | 21270050162243 |
| Square root | 166.454198 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 90 |
| Scientific notation | 2.7707 × |
27707 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand seven hundred and seven |
| Binary (base 2) | 110110000111011 |
| Octal (base 8) | 66073 |
| Hexadecimal (base 16) | 6C3B |
| Base 3 | 1102000012 |
| As time | 27707 seconds = 7 h 41 min 47 s |
Is 27707 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 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27707 a prime number?
No. 27707 = 103 × 269, so it is divisible by 103.
What are the factors of 27707?
1, 103, 269, 27707.
What is 27707 in binary?
110110000111011 (hexadecimal 6C3B, octal 66073).
What is the square root of 27707?
About 166.4542.
Is 27707 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 27707?
27707 is a semiprime: 103 × 269, the product of two primes.