The number 41585
41585 is a composite number with 4 divisors. Its prime factorisation is 5 × 8317. Divisors (4): 1, 5, 8317, 41585.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 41585: a semiprime: 5 × 8317, the product of two primes.
- 2
41585 is composite. Its prime factorisation is
- 3
The divisors add up to 49908; without 41585 itself that is 8323, so 41585 is deficient (8323 is less than 41585). Euler's totient φ(41585) = 33264 numbers up to 41585 share no factor with it.
- 4
The digits of 41585 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 150 steps to reach 1.
LaTeX source of the formulas on this page
\[ 41585 = 5 \times 8317 \]
41585 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 49908 |
| Euler totient φ(n) | 33264 |
| Square | 1729312225 |
| Cube | 71913448876625 |
| Square root | 203.924005 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 150 |
| Scientific notation | 4.1585 × |
41585 in other forms
| Form | Value |
|---|---|
| In words | forty-one thousand five hundred and eighty-five |
| Binary (base 2) | 1010001001110001 |
| Octal (base 8) | 121161 |
| Hexadecimal (base 16) | A271 |
| Base 3 | 2010001012 |
| As time | 41585 seconds = 11 h 33 min 5 s |
Is 41585 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 (41585 ÷ 5 = 8317) | 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 5) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | 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 41585 a prime number?
No. 41585 = 5 × 8317, so it is divisible by 5.
What are the factors of 41585?
1, 5, 8317, 41585.
What is 41585 in binary?
1010001001110001 (hexadecimal A271, octal 121161).
What is the square root of 41585?
About 203.9240.
Is 41585 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 41585?
41585 is a semiprime: 5 × 8317, the product of two primes.