The number 27613
27613 is a composite number with 4 divisors. Its prime factorisation is 53 × 521. Divisors (4): 1, 53, 521, 27613.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27613: a semiprime: 53 × 521, the product of two primes.
- 2
27613 is composite. Its prime factorisation is
- 3
The divisors add up to 28188; without 27613 itself that is 575, so 27613 is deficient (575 is less than 27613). Euler's totient φ(27613) = 27040 numbers up to 27613 share no factor with it.
- 4
The digits of 27613 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 59 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27613 = 53 \times 521 \]
27613 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 28188 |
| Euler totient φ(n) | 27040 |
| Square | 762477769 |
| Cube | 21054298635397 |
| Square root | 166.171598 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 59 |
| Scientific notation | 2.7613 × |
27613 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand six hundred and thirteen |
| Binary (base 2) | 110101111011101 |
| Octal (base 8) | 65735 |
| Hexadecimal (base 16) | 6BDD |
| Base 3 | 1101212201 |
| As time | 27613 seconds = 7 h 40 min 13 s |
Is 27613 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 3) | 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 | No (remainder 5) | 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 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | 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 27613 a prime number?
No. 27613 = 53 × 521, so it is divisible by 53.
What are the factors of 27613?
1, 53, 521, 27613.
What is 27613 in binary?
110101111011101 (hexadecimal 6BDD, octal 65735).
What is the square root of 27613?
About 166.1716.
Is 27613 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 27613?
27613 is a semiprime: 53 × 521, the product of two primes.