The number 43043
43043 is a composite number with 16 divisors. Its prime factorisation is 7 × 11 × 13 × 43. Divisors (16): 1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 1001, 3311, 3913, 6149, 43043.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
43043 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
43043 is composite. Its prime factorisation is
- 3
The divisors add up to 59136; without 43043 itself that is 16093, so 43043 is deficient (16093 is less than 43043). Euler's totient φ(43043) = 30240 numbers up to 43043 share no factor with it.
- 4
The digits of 43043 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 75 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43043 = 7 \times 11 \times 13 \times 43 \]
43043 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 59136 |
| Euler totient φ(n) | 30240 |
| Square | 1852699849 |
| Cube | 79745759600507 |
| Square root | 207.468070 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 75 |
| Scientific notation | 4.3043 × |
43043 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand and forty-three |
| Binary (base 2) | 1010100000100011 |
| Octal (base 8) | 124043 |
| Hexadecimal (base 16) | A823 |
| Base 3 | 2012001012 |
| As time | 43043 seconds = 11 h 57 min 23 s |
Is 43043 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 2) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (43043 ÷ 7 = 6149) | 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 5) | 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 (43043 ÷ 11 = 3913) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 43043 a prime number?
No. 43043 = 7 × 11 × 13 × 43, so it is divisible by 7.
What are the factors of 43043?
1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 1001, 3311, 3913, 6149, 43043.
What is 43043 in binary?
1010100000100011 (hexadecimal A823, octal 124043).
What is the square root of 43043?
About 207.4681.
Is 43043 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 43043?
It is a composite number with 16 divisors.