The number 24427
24427 is a composite number with 4 divisors. Its prime factorisation is 13 × 1879. Divisors (4): 1, 13, 1879, 24427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24427: a semiprime: 13 × 1879, the product of two primes.
- 2
24427 is composite. Its prime factorisation is
- 3
The divisors add up to 26320; without 24427 itself that is 1893, so 24427 is deficient (1893 is less than 24427). Euler's totient φ(24427) = 22536 numbers up to 24427 share no factor with it.
- 4
The digits of 24427 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 157 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24427 = 13 \times 1879 \]
24427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 26320 |
| Euler totient φ(n) | 22536 |
| Square | 596678329 |
| Cube | 14575061542483 |
| Square root | 156.291395 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 157 |
| Scientific notation | 2.4427 × |
24427 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand four hundred and twenty-seven |
| Binary (base 2) | 101111101101011 |
| Octal (base 8) | 57553 |
| Hexadecimal (base 16) | 5F6B |
| Base 3 | 1020111201 |
| As time | 24427 seconds = 6 h 47 min 7 s |
Is 24427 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 | No (remainder 1) | 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 1) | 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 3) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24427 a prime number?
No. 24427 = 13 × 1879, so it is divisible by 13.
What are the factors of 24427?
1, 13, 1879, 24427.
What is 24427 in binary?
101111101101011 (hexadecimal 5F6B, octal 57553).
What is the square root of 24427?
About 156.2914.
Is 24427 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 24427?
24427 is a semiprime: 13 × 1879, the product of two primes.