The number 14809
14809 is a composite number with 4 divisors. Its prime factorisation is 59 × 251. Divisors (4): 1, 59, 251, 14809.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 14809: a semiprime: 59 × 251, the product of two primes.
- 2
14809 is composite. Its prime factorisation is
- 3
The divisors add up to 15120; without 14809 itself that is 311, so 14809 is deficient (311 is less than 14809). Euler's totient φ(14809) = 14500 numbers up to 14809 share no factor with it.
- 4
The digits of 14809 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 133 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14809 = 59 \times 251 \]
14809 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 15120 |
| Euler totient φ(n) | 14500 |
| Square | 219306481 |
| Cube | 3247709677129 |
| Square root | 121.692235 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 133 |
| Scientific notation | 1.4809 × |
14809 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand eight hundred and nine |
| Binary (base 2) | 11100111011001 |
| Octal (base 8) | 34731 |
| Hexadecimal (base 16) | 39D9 |
| Base 3 | 202022111 |
| As time | 14809 seconds = 4 h 6 min 49 s |
Is 14809 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 1) | 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 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 1) | 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 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 14809 a prime number?
No. 14809 = 59 × 251, so it is divisible by 59.
What are the factors of 14809?
1, 59, 251, 14809.
What is 14809 in binary?
11100111011001 (hexadecimal 39D9, octal 34731).
What is the square root of 14809?
About 121.6922.
Is 14809 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 14809?
14809 is a semiprime: 59 × 251, the product of two primes.