The number 47359
47359 is a composite number with 4 divisors. Its prime factorisation is 13 × 3643. Divisors (4): 1, 13, 3643, 47359.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47359: a semiprime: 13 × 3643, the product of two primes.
- 2
47359 is composite. Its prime factorisation is
- 3
The divisors add up to 51016; without 47359 itself that is 3657, so 47359 is deficient (3657 is less than 47359). Euler's totient φ(47359) = 43704 numbers up to 47359 share no factor with it.
- 4
The digits of 47359 add up to 28, 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
\[ 47359 = 13 \times 3643 \]
47359 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 51016 |
| Euler totient φ(n) | 43704 |
| Square | 2242874881 |
| Cube | 106220311489279 |
| Square root | 217.621231 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 176 |
| Scientific notation | 4.7359 × |
47359 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and fifty-nine |
| Binary (base 2) | 1011100011111111 |
| Octal (base 8) | 134377 |
| Hexadecimal (base 16) | B8FF |
| Base 3 | 2101222001 |
| As time | 47359 seconds = 13 h 9 min 19 s |
Is 47359 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | 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 | No (remainder 4) | 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 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47359 a prime number?
No. 47359 = 13 × 3643, so it is divisible by 13.
What are the factors of 47359?
1, 13, 3643, 47359.
What is 47359 in binary?
1011100011111111 (hexadecimal B8FF, octal 134377).
What is the square root of 47359?
About 217.6212.
Is 47359 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 47359?
47359 is a semiprime: 13 × 3643, the product of two primes.