The number 43443
43443 is a composite number with 8 divisors. Its prime factorisation is × 1609. Divisors (8): 1, 3, 9, 27, 1609, 4827, 14481, 43443.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
43443 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
43443 is composite. Its prime factorisation is
- 3
The divisors add up to 64400; without 43443 itself that is 20957, so 43443 is deficient (20957 is less than 43443). Euler's totient φ(43443) = 28944 numbers up to 43443 share no factor with it.
- 4
The digits of 43443 add up to 18, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 163 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43443 = 3^{3} \times 1609 \]43443 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 64400 |
| Euler totient φ(n) | 28944 |
| Square | 1887294249 |
| Cube | 81989724059307 |
| Square root | 208.429844 (= 3√4827) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 163 |
| Scientific notation | 4.3443 × |
43443 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand four hundred and forty-three |
| Binary (base 2) | 1010100110110011 |
| Octal (base 8) | 124663 |
| Hexadecimal (base 16) | A9B3 |
| Base 3 | 2012121000 |
| As time | 43443 seconds = 12 h 4 min 3 s |
Is 43443 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 (43443 ÷ 3 = 14481) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 | Yes (43443 ÷ 9 = 4827) | 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 | No (remainder 4) | 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 43443 a prime number?
No. 43443 = × 1609, so it is divisible by 3.
What are the factors of 43443?
1, 3, 9, 27, 1609, 4827, 14481, 43443.
What is 43443 in binary?
1010100110110011 (hexadecimal A9B3, octal 124663).
What is the square root of 43443?
About 208.4298, exactly 3√4827.
Is 43443 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 43443?
It is a composite number with 8 divisors.