The number 27422
27422 is a composite number with 4 divisors. Its prime factorisation is 2 × 13711. Divisors (4): 1, 2, 13711, 27422.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27422: a semiprime: 2 × 13711, the product of two primes.
- 2
27422 is composite. Its prime factorisation is
- 3
The divisors add up to 41136; without 27422 itself that is 13714, so 27422 is deficient (13714 is less than 27422). Euler's totient φ(27422) = 13710 numbers up to 27422 share no factor with it.
- 4
The digits of 27422 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 90 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27422 = 2 \times 13711 \]
27422 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41136 |
| Euler totient φ(n) | 13710 |
| Square | 751966084 |
| Cube | 20620413955448 |
| Square root | 165.595894 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 90 |
| Scientific notation | 2.7422 × |
27422 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand four hundred and twenty-two |
| Binary (base 2) | 110101100011110 |
| Octal (base 8) | 65436 |
| Hexadecimal (base 16) | 6B1E |
| Base 3 | 1101121122 |
| As time | 27422 seconds = 7 h 37 min 2 s |
Is 27422 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27422 ÷ 2 = 13711) | 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 2) | 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 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27422 a prime number?
No. 27422 = 2 × 13711, so it is divisible by 2.
What are the factors of 27422?
1, 2, 13711, 27422.
What is 27422 in binary?
110101100011110 (hexadecimal 6B1E, octal 65436).
What is the square root of 27422?
About 165.5959.
Is 27422 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 27422?
27422 is a semiprime: 2 × 13711, the product of two primes.