The number 27318
27318 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 29 × 157. Divisors (16): 1, 2, 3, 6, 29, 58, 87, 157, 174, 314, 471, 942, 4553, 9106, 13659, 27318.
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How to work it out
- 1
27318 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27318 is composite. Its prime factorisation is
- 3
The divisors add up to 56880; without 27318 itself that is 29562, so 27318 is abundant (29562 is more than 27318). Euler's totient φ(27318) = 8736 numbers up to 27318 share no factor with it.
- 4
The digits of 27318 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 183 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27318 = 2 \times 3 \times 29 \times 157 \]
27318 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 56880 |
| Euler totient φ(n) | 8736 |
| Square | 746273124 |
| Cube | 20386689201432 |
| Square root | 165.281578 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 183 |
| Scientific notation | 2.7318 × |
27318 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand three hundred and eighteen |
| Binary (base 2) | 110101010110110 |
| Octal (base 8) | 65266 |
| Hexadecimal (base 16) | 6AB6 |
| Base 3 | 1101110210 |
| As time | 27318 seconds = 7 h 35 min 18 s |
Is 27318 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27318 ÷ 2 = 13659) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (27318 ÷ 3 = 9106) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (27318 ÷ 6 = 4553) | 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 6) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27318 a prime number?
No. 27318 = 2 × 3 × 29 × 157, so it is divisible by 2.
What are the factors of 27318?
1, 2, 3, 6, 29, 58, 87, 157, 174, 314, 471, 942, 4553, 9106, 13659, 27318.
What is 27318 in binary?
110101010110110 (hexadecimal 6AB6, octal 65266).
What is the square root of 27318?
About 165.2816.
Is 27318 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 27318?
It is a composite number with 16 divisors.