The number 47163
47163 is a composite number with 8 divisors. Its prime factorisation is 3 × 79 × 199. Divisors (8): 1, 3, 79, 199, 237, 597, 15721, 47163.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47163 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47163 is composite. Its prime factorisation is
- 3
The divisors add up to 64000; without 47163 itself that is 16837, so 47163 is deficient (16837 is less than 47163). Euler's totient φ(47163) = 30888 numbers up to 47163 share no factor with it.
- 4
The digits of 47163 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 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47163 = 3 \times 79 \times 199 \]
47163 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 64000 |
| Euler totient φ(n) | 30888 |
| Square | 2224348569 |
| Cube | 104906951559747 |
| Square root | 217.170440 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.7163 × |
47163 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand one hundred and sixty-three |
| Binary (base 2) | 1011100000111011 |
| Octal (base 8) | 134073 |
| Hexadecimal (base 16) | B83B |
| Base 3 | 2101200210 |
| As time | 47163 seconds = 13 h 6 min 3 s |
Is 47163 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 (47163 ÷ 3 = 15721) | 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 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 3) | 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 6) | 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 47163 a prime number?
No. 47163 = 3 × 79 × 199, so it is divisible by 3.
What are the factors of 47163?
1, 3, 79, 199, 237, 597, 15721, 47163.
What is 47163 in binary?
1011100000111011 (hexadecimal B83B, octal 134073).
What is the square root of 47163?
About 217.1704.
Is 47163 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 47163?
It is a composite number with 8 divisors.