The number 17427
17427 is a composite number with 8 divisors. Its prime factorisation is 3 × 37 × 157. Divisors (8): 1, 3, 37, 111, 157, 471, 5809, 17427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
17427 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
17427 is composite. Its prime factorisation is
- 3
The divisors add up to 24016; without 17427 itself that is 6589, so 17427 is deficient (6589 is less than 17427). Euler's totient φ(17427) = 11232 numbers up to 17427 share no factor with it.
- 4
The digits of 17427 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 141 steps to reach 1.
LaTeX source of the formulas on this page
\[ 17427 = 3 \times 37 \times 157 \]
17427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 24016 |
| Euler totient φ(n) | 11232 |
| Square | 303700329 |
| Cube | 5292585633483 |
| Square root | 132.011363 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 141 |
| Scientific notation | 1.7427 × |
17427 in other forms
| Form | Value |
|---|---|
| In words | seventeen thousand four hundred and twenty-seven |
| Binary (base 2) | 100010000010011 |
| Octal (base 8) | 42023 |
| Hexadecimal (base 16) | 4413 |
| Base 3 | 212220110 |
| As time | 17427 seconds = 4 h 50 min 27 s |
Is 17427 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 | Yes (17427 ÷ 3 = 5809) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 3) | 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 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 17427 a prime number?
No. 17427 = 3 × 37 × 157, so it is divisible by 3.
What are the factors of 17427?
1, 3, 37, 111, 157, 471, 5809, 17427.
What is 17427 in binary?
100010000010011 (hexadecimal 4413, octal 42023).
What is the square root of 17427?
About 132.0114.
Is 17427 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 17427?
It is a composite number with 8 divisors.