The number 14443
14443 is a composite number with 8 divisors. Its prime factorisation is 11 × 13 × 101. Divisors (8): 1, 11, 13, 101, 143, 1111, 1313, 14443.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
14443 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
14443 is composite. Its prime factorisation is
- 3
The divisors add up to 17136; without 14443 itself that is 2693, so 14443 is deficient (2693 is less than 14443). Euler's totient φ(14443) = 12000 numbers up to 14443 share no factor with it.
- 4
The digits of 14443 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 102 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14443 = 11 \times 13 \times 101 \]
14443 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 17136 |
| Euler totient φ(n) | 12000 |
| Square | 208600249 |
| Cube | 3012813396307 |
| Square root | 120.179033 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 102 |
| Scientific notation | 1.4443 × |
14443 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand four hundred and forty-three |
| Binary (base 2) | 11100001101011 |
| Octal (base 8) | 34153 |
| Hexadecimal (base 16) | 386B |
| Base 3 | 201210221 |
| As time | 14443 seconds = 4 h 0 min 43 s |
Is 14443 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 3) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (14443 ÷ 11 = 1313) | 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 14443 a prime number?
No. 14443 = 11 × 13 × 101, so it is divisible by 11.
What are the factors of 14443?
1, 11, 13, 101, 143, 1111, 1313, 14443.
What is 14443 in binary?
11100001101011 (hexadecimal 386B, octal 34153).
What is the square root of 14443?
About 120.1790.
Is 14443 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 14443?
It is a composite number with 8 divisors.