The number 47343
47343 is a composite number with 8 divisors. Its prime factorisation is 3 × 43 × 367. Divisors (8): 1, 3, 43, 129, 367, 1101, 15781, 47343.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47343 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47343 is composite. Its prime factorisation is
- 3
The divisors add up to 64768; without 47343 itself that is 17425, so 47343 is deficient (17425 is less than 47343). Euler's totient φ(47343) = 30744 numbers up to 47343 share no factor with it.
- 4
The digits of 47343 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 220 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47343 = 3 \times 43 \times 367 \]
47343 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 64768 |
| Euler totient φ(n) | 30744 |
| Square | 2241359649 |
| Cube | 106112689862607 |
| Square root | 217.584466 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 220 |
| Scientific notation | 4.7343 × |
47343 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and forty-three |
| Binary (base 2) | 1011100011101111 |
| Octal (base 8) | 134357 |
| Hexadecimal (base 16) | B8EF |
| Base 3 | 2101221110 |
| As time | 47343 seconds = 13 h 9 min 3 s |
Is 47343 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 (47343 ÷ 3 = 15781) | 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 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | 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 10) | 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 47343 a prime number?
No. 47343 = 3 × 43 × 367, so it is divisible by 3.
What are the factors of 47343?
1, 3, 43, 129, 367, 1101, 15781, 47343.
What is 47343 in binary?
1011100011101111 (hexadecimal B8EF, octal 134357).
What is the square root of 47343?
About 217.5845.
Is 47343 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 47343?
It is a composite number with 8 divisors.