The number 47371
47371 is a composite number with 4 divisors. Its prime factorisation is 127 × 373. Divisors (4): 1, 127, 373, 47371.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47371: a semiprime: 127 × 373, the product of two primes.
- 2
47371 is composite. Its prime factorisation is
- 3
The divisors add up to 47872; without 47371 itself that is 501, so 47371 is deficient (501 is less than 47371). Euler's totient φ(47371) = 46872 numbers up to 47371 share no factor with it.
- 4
The digits of 47371 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 101 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47371 = 127 \times 373 \]
47371 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 47872 |
| Euler totient φ(n) | 46872 |
| Square | 2244011641 |
| Cube | 106301075445811 |
| Square root | 217.648800 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 101 |
| Scientific notation | 4.7371 × |
47371 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and seventy-one |
| Binary (base 2) | 1011100100001011 |
| Octal (base 8) | 134413 |
| Hexadecimal (base 16) | B90B |
| Base 3 | 2101222111 |
| As time | 47371 seconds = 13 h 9 min 31 s |
Is 47371 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 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 | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 5) | 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 47371 a prime number?
No. 47371 = 127 × 373, so it is divisible by 127.
What are the factors of 47371?
1, 127, 373, 47371.
What is 47371 in binary?
1011100100001011 (hexadecimal B90B, octal 134413).
What is the square root of 47371?
About 217.6488.
Is 47371 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 47371?
47371 is a semiprime: 127 × 373, the product of two primes.