The number 18327
18327 is a composite number with 8 divisors. Its prime factorisation is 3 × 41 × 149. Divisors (8): 1, 3, 41, 123, 149, 447, 6109, 18327.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
18327 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
18327 is composite. Its prime factorisation is
- 3
The divisors add up to 25200; without 18327 itself that is 6873, so 18327 is deficient (6873 is less than 18327). Euler's totient φ(18327) = 11840 numbers up to 18327 share no factor with it.
- 4
The digits of 18327 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 35 steps to reach 1.
LaTeX source of the formulas on this page
\[ 18327 = 3 \times 41 \times 149 \]
18327 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 25200 |
| Euler totient φ(n) | 11840 |
| Square | 335878929 |
| Cube | 6155653131783 |
| Square root | 135.377251 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 35 |
| Scientific notation | 1.8327 × |
18327 in other forms
| Form | Value |
|---|---|
| In words | eighteen thousand three hundred and twenty-seven |
| Binary (base 2) | 100011110010111 |
| Octal (base 8) | 43627 |
| Hexadecimal (base 16) | 4797 |
| Base 3 | 221010210 |
| As time | 18327 seconds = 5 h 5 min 27 s |
Is 18327 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 (18327 ÷ 3 = 6109) | 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 1) | 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 7) | 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 1) | 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 18327 a prime number?
No. 18327 = 3 × 41 × 149, so it is divisible by 3.
What are the factors of 18327?
1, 3, 41, 123, 149, 447, 6109, 18327.
What is 18327 in binary?
100011110010111 (hexadecimal 4797, octal 43627).
What is the square root of 18327?
About 135.3773.
Is 18327 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 18327?
It is a composite number with 8 divisors.