The number 27242
27242 is a composite number with 8 divisors. Its prime factorisation is 2 × 53 × 257. Divisors (8): 1, 2, 53, 106, 257, 514, 13621, 27242.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27242 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27242 is composite. Its prime factorisation is
- 3
The divisors add up to 41796; without 27242 itself that is 14554, so 27242 is deficient (14554 is less than 27242). Euler's totient φ(27242) = 13312 numbers up to 27242 share no factor with it.
- 4
The digits of 27242 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 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27242 = 2 \times 53 \times 257 \]
27242 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 41796 |
| Euler totient φ(n) | 13312 |
| Square | 742126564 |
| Cube | 20217011856488 |
| Square root | 165.051507 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 64 |
| Scientific notation | 2.7242 × |
27242 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand two hundred and forty-two |
| Binary (base 2) | 110101001101010 |
| Octal (base 8) | 65152 |
| Hexadecimal (base 16) | 6A6A |
| Base 3 | 1101100222 |
| As time | 27242 seconds = 7 h 34 min 2 s |
Is 27242 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27242 ÷ 2 = 13621) | 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 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 2) | 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 6) | 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 27242 a prime number?
No. 27242 = 2 × 53 × 257, so it is divisible by 2.
What are the factors of 27242?
1, 2, 53, 106, 257, 514, 13621, 27242.
What is 27242 in binary?
110101001101010 (hexadecimal 6A6A, octal 65152).
What is the square root of 27242?
About 165.0515.
Is 27242 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 27242?
It is a composite number with 8 divisors.