The number 27118
27118 is a composite number with 16 divisors. Its prime factorisation is 2 × 7 × 13 × 149. Divisors (16): 1, 2, 7, 13, 14, 26, 91, 149, 182, 298, 1043, 1937, 2086, 3874, 13559, 27118.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27118 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27118 is composite. Its prime factorisation is
- 3
The divisors add up to 50400; without 27118 itself that is 23282, so 27118 is deficient (23282 is less than 27118). Euler's totient φ(27118) = 10656 numbers up to 27118 share no factor with it.
- 4
The digits of 27118 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 90 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27118 = 2 \times 7 \times 13 \times 149 \]
27118 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 50400 |
| Euler totient φ(n) | 10656 |
| Square | 735385924 |
| Cube | 19942195487032 |
| Square root | 164.675438 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 90 |
| Scientific notation | 2.7118 × |
27118 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand one hundred and eighteen |
| Binary (base 2) | 110100111101110 |
| Octal (base 8) | 64756 |
| Hexadecimal (base 16) | 69EE |
| Base 3 | 1101012101 |
| As time | 27118 seconds = 7 h 31 min 58 s |
Is 27118 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27118 ÷ 2 = 13559) | 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 | Yes (27118 ÷ 7 = 3874) | 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 1) | 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 3) | 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 27118 a prime number?
No. 27118 = 2 × 7 × 13 × 149, so it is divisible by 2.
What are the factors of 27118?
1, 2, 7, 13, 14, 26, 91, 149, 182, 298, 1043, 1937, 2086, 3874, 13559, 27118.
What is 27118 in binary?
110100111101110 (hexadecimal 69EE, octal 64756).
What is the square root of 27118?
About 164.6754.
Is 27118 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 27118?
It is a composite number with 16 divisors.