The number 11427
11427 is a composite number with 8 divisors. Its prime factorisation is 3 × 13 × 293. Divisors (8): 1, 3, 13, 39, 293, 879, 3809, 11427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
11427 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
11427 is composite. Its prime factorisation is
- 3
The divisors add up to 16464; without 11427 itself that is 5037, so 11427 is deficient (5037 is less than 11427). Euler's totient φ(11427) = 7008 numbers up to 11427 share no factor with it.
- 4
The digits of 11427 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 174 steps to reach 1.
LaTeX source of the formulas on this page
\[ 11427 = 3 \times 13 \times 293 \]
11427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 16464 |
| Euler totient φ(n) | 7008 |
| Square | 130576329 |
| Cube | 1492095711483 |
| Square root | 106.897147 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 174 |
| Scientific notation | 1.1427 × |
11427 in other forms
| Form | Value |
|---|---|
| In words | eleven thousand four hundred and twenty-seven |
| Binary (base 2) | 10110010100011 |
| Octal (base 8) | 26243 |
| Hexadecimal (base 16) | 2CA3 |
| Base 3 | 120200020 |
| As time | 11427 seconds = 3 h 10 min 27 s |
Is 11427 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 (11427 ÷ 3 = 3809) | 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 3) | 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 6) | 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 9) | 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 11427 a prime number?
No. 11427 = 3 × 13 × 293, so it is divisible by 3.
What are the factors of 11427?
1, 3, 13, 39, 293, 879, 3809, 11427.
What is 11427 in binary?
10110010100011 (hexadecimal 2CA3, octal 26243).
What is the square root of 11427?
About 106.8971.
Is 11427 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 11427?
It is a composite number with 8 divisors.