The number 27349
27349 is a composite number with 4 divisors. Its prime factorisation is 7 × 3907. Divisors (4): 1, 7, 3907, 27349.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27349: a semiprime: 7 × 3907, the product of two primes.
- 2
27349 is composite. Its prime factorisation is
- 3
The divisors add up to 31264; without 27349 itself that is 3915, so 27349 is deficient (3915 is less than 27349). Euler's totient φ(27349) = 23436 numbers up to 27349 share no factor with it.
- 4
The digits of 27349 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 59 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27349 = 7 \times 3907 \]
27349 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 31264 |
| Euler totient φ(n) | 23436 |
| Square | 747967801 |
| Cube | 20456171389549 |
| Square root | 165.375331 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 59 |
| Scientific notation | 2.7349 × |
27349 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand three hundred and forty-nine |
| Binary (base 2) | 110101011010101 |
| Octal (base 8) | 65325 |
| Hexadecimal (base 16) | 6AD5 |
| Base 3 | 1101111221 |
| As time | 27349 seconds = 7 h 35 min 49 s |
Is 27349 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 1) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (27349 ÷ 7 = 3907) | 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 7) | 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 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27349 a prime number?
No. 27349 = 7 × 3907, so it is divisible by 7.
What are the factors of 27349?
1, 7, 3907, 27349.
What is 27349 in binary?
110101011010101 (hexadecimal 6AD5, octal 65325).
What is the square root of 27349?
About 165.3753.
Is 27349 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 27349?
27349 is a semiprime: 7 × 3907, the product of two primes.