The number 47043
47043 is a composite number with 6 divisors. Its prime factorisation is × 5227. Divisors (6): 1, 3, 9, 5227, 15681, 47043.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47043 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47043 is composite. Its prime factorisation is
- 3
The divisors add up to 67964; without 47043 itself that is 20921, so 47043 is deficient (20921 is less than 47043). Euler's totient φ(47043) = 31356 numbers up to 47043 share no factor with it.
- 4
The digits of 47043 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 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47043 = 3^{2} \times 5227 \]47043 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 67964 |
| Euler totient φ(n) | 31356 |
| Square | 2213043849 |
| Cube | 104108221788507 |
| Square root | 216.893983 (= 3√5227) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.7043 × |
47043 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand and forty-three |
| Binary (base 2) | 1011011111000011 |
| Octal (base 8) | 133703 |
| Hexadecimal (base 16) | B7C3 |
| Base 3 | 2101112100 |
| As time | 47043 seconds = 13 h 4 min 3 s |
Is 47043 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 (47043 ÷ 3 = 15681) | 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 3) | 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 (47043 ÷ 9 = 5227) | 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 7) | 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 47043 a prime number?
No. 47043 = × 5227, so it is divisible by 3.
What are the factors of 47043?
1, 3, 9, 5227, 15681, 47043.
What is 47043 in binary?
1011011111000011 (hexadecimal B7C3, octal 133703).
What is the square root of 47043?
About 216.8940, exactly 3√5227.
Is 47043 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 47043?
It is a composite number with 6 divisors.