The number 47341
47341 is a composite number with 4 divisors. Its prime factorisation is 7 × 6763. Divisors (4): 1, 7, 6763, 47341.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47341: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 7 × 6763, the product of two primes.
- 2
47341 is composite. Its prime factorisation is
- 3
The divisors add up to 54112; without 47341 itself that is 6771, so 47341 is deficient (6771 is less than 47341). Euler's totient φ(47341) = 40572 numbers up to 47341 share no factor with it.
- 4
The digits of 47341 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 176 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47341 = 7 \times 6763 \]
47341 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 54112 |
| Euler totient φ(n) | 40572 |
| Square | 2241170281 |
| Cube | 106099242272821 |
| Square root | 217.579870 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 176 |
| Scientific notation | 4.7341 × |
47341 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and forty-one |
| Binary (base 2) | 1011100011101101 |
| Octal (base 8) | 134355 |
| Hexadecimal (base 16) | B8ED |
| Base 3 | 2101221101 |
| As time | 47341 seconds = 13 h 9 min 1 s |
Is 47341 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 | Yes (47341 ÷ 7 = 6763) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47341 a prime number?
No. 47341 = 7 × 6763, so it is divisible by 7.
What are the factors of 47341?
1, 7, 6763, 47341.
What is 47341 in binary?
1011100011101101 (hexadecimal B8ED, octal 134355).
What is the square root of 47341?
About 217.5799.
Is 47341 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 47341?
47341 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 7 × 6763, the product of two primes.