The number 27418
27418 is a composite number with 4 divisors. Its prime factorisation is 2 × 13709. Divisors (4): 1, 2, 13709, 27418.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27418: a semiprime: 2 × 13709, the product of two primes.
- 2
27418 is composite. Its prime factorisation is
- 3
The divisors add up to 41130; without 27418 itself that is 13712, so 27418 is deficient (13712 is less than 27418). Euler's totient φ(27418) = 13708 numbers up to 27418 share no factor with it.
- 4
The digits of 27418 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 33 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27418 = 2 \times 13709 \]
27418 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41130 |
| Euler totient φ(n) | 13708 |
| Square | 751746724 |
| Cube | 20611391678632 |
| Square root | 165.583816 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 33 |
| Scientific notation | 2.7418 × |
27418 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand four hundred and eighteen |
| Binary (base 2) | 110101100011010 |
| Octal (base 8) | 65432 |
| Hexadecimal (base 16) | 6B1A |
| Base 3 | 1101121111 |
| As time | 27418 seconds = 7 h 36 min 58 s |
Is 27418 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27418 ÷ 2 = 13709) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | 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 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 4) | 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 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27418 a prime number?
No. 27418 = 2 × 13709, so it is divisible by 2.
What are the factors of 27418?
1, 2, 13709, 27418.
What is 27418 in binary?
110101100011010 (hexadecimal 6B1A, octal 65432).
What is the square root of 27418?
About 165.5838.
Is 27418 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 27418?
27418 is a semiprime: 2 × 13709, the product of two primes.