The number 24439
24439 is the 2713th prime number. Its only divisors are 1 and 24439.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24439: the 2713th prime number.
- 2
24439 is prime, so its only factors are 1 and 24439. It is the 2713th prime; the next prime is 24443 and the one before is 24421.
- 3
The divisors add up to 24440; without 24439 itself that is 1, so 24439 is deficient (1 is less than 24439). Euler's totient φ(24439) = 24438 numbers up to 24439 share no factor with it.
- 4
The digits of 24439 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 38 steps to reach 1.
24439 at a glance
| Property | Value |
|---|---|
| Type | prime |
| Number of divisors | 2 |
| Sum of divisors | 24440 |
| Euler totient φ(n) | 24438 |
| Square | 597264721 |
| Cube | 14596552516519 |
| Square root | 156.329780 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 38 |
| Scientific notation | 2.4439 × |
24439 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand four hundred and thirty-nine |
| Binary (base 2) | 101111101110111 |
| Octal (base 8) | 57567 |
| Hexadecimal (base 16) | 5F77 |
| Base 3 | 1020112011 |
| As time | 24439 seconds = 6 h 47 min 19 s |
Is 24439 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 4) | 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 2) | 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 7) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 24439 a prime number?
Yes. 24439 is divisible only by 1 and itself.
What are the factors of 24439?
1, 24439.
What is 24439 in binary?
101111101110111 (hexadecimal 5F77, octal 57567).
What is the square root of 24439?
About 156.3298.
Is 24439 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 24439?
24439 is the 2713th prime number.