The number 47079
47079 is a composite number with 6 divisors. Its prime factorisation is × 5231. Divisors (6): 1, 3, 9, 5231, 15693, 47079.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47079 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47079 is composite. Its prime factorisation is
- 3
The divisors add up to 68016; without 47079 itself that is 20937, so 47079 is deficient (20937 is less than 47079). Euler's totient φ(47079) = 31380 numbers up to 47079 share no factor with it.
- 4
The digits of 47079 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 176 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47079 = 3^{2} \times 5231 \]47079 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 68016 |
| Euler totient φ(n) | 31380 |
| Square | 2216432241 |
| Cube | 104347413474039 |
| Square root | 216.976957 (= 3√5231) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 176 |
| Scientific notation | 4.7079 × |
47079 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand and seventy-nine |
| Binary (base 2) | 1011011111100111 |
| Octal (base 8) | 133747 |
| Hexadecimal (base 16) | B7E7 |
| Base 3 | 2101120200 |
| As time | 47079 seconds = 13 h 4 min 39 s |
Is 47079 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 (47079 ÷ 3 = 15693) | 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 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (47079 ÷ 9 = 5231) | 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 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 47079 a prime number?
No. 47079 = × 5231, so it is divisible by 3.
What are the factors of 47079?
1, 3, 9, 5231, 15693, 47079.
What is 47079 in binary?
1011011111100111 (hexadecimal B7E7, octal 133747).
What is the square root of 47079?
About 216.9770, exactly 3√5231.
Is 47079 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 47079?
It is a composite number with 6 divisors.