The number 50165
50165 is a composite number with 8 divisors. Its prime factorisation is 5 × 79 × 127. Divisors (8): 1, 5, 79, 127, 395, 635, 10033, 50165.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50165 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50165 is composite. Its prime factorisation is
- 3
The divisors add up to 61440; without 50165 itself that is 11275, so 50165 is deficient (11275 is less than 50165). Euler's totient φ(50165) = 39312 numbers up to 50165 share no factor with it.
- 4
The digits of 50165 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50165 = 5 \times 79 \times 127 \]
50165 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 61440 |
| Euler totient φ(n) | 39312 |
| Square | 2516527225 |
| Cube | 126241588242125 |
| Square root | 223.975445 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0165 × |
50165 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand one hundred and sixty-five |
| Binary (base 2) | 1100001111110101 |
| Octal (base 8) | 141765 |
| Hexadecimal (base 16) | C3F5 |
| Base 3 | 2112210222 |
| As time | 50165 seconds = 13 h 56 min 5 s |
Is 50165 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 2) | 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 | Yes (50165 ÷ 5 = 10033) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50165 a prime number?
No. 50165 = 5 × 79 × 127, so it is divisible by 5.
What are the factors of 50165?
1, 5, 79, 127, 395, 635, 10033, 50165.
What is 50165 in binary?
1100001111110101 (hexadecimal C3F5, octal 141765).
What is the square root of 50165?
About 223.9754.
Is 50165 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 50165?
It is a composite number with 8 divisors.