The number 41021
41021 is a composite number with 8 divisors. Its prime factorisation is 17 × 19 × 127. Divisors (8): 1, 17, 19, 127, 323, 2159, 2413, 41021.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
41021 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
41021 is composite. Its prime factorisation is
- 3
The divisors add up to 46080; without 41021 itself that is 5059, so 41021 is deficient (5059 is less than 41021). Euler's totient φ(41021) = 36288 numbers up to 41021 share no factor with it.
- 4
The digits of 41021 add up to 8, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 150 steps to reach 1.
LaTeX source of the formulas on this page
\[ 41021 = 17 \times 19 \times 127 \]
41021 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 46080 |
| Euler totient φ(n) | 36288 |
| Square | 1682722441 |
| Cube | 69026957252261 |
| Square root | 202.536416 |
| Digit sum / digital root | 8 / 8 |
| Collatz steps to 1 | 150 |
| Scientific notation | 4.1021 × |
41021 in other forms
| Form | Value |
|---|---|
| In words | forty-one thousand and twenty-one |
| Binary (base 2) | 1010000000111101 |
| Octal (base 8) | 120075 |
| Hexadecimal (base 16) | A03D |
| Base 3 | 2002021022 |
| As time | 41021 seconds = 11 h 23 min 41 s |
Is 41021 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 | No (remainder 1) | 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 1) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | 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 41021 a prime number?
No. 41021 = 17 × 19 × 127, so it is divisible by 17.
What are the factors of 41021?
1, 17, 19, 127, 323, 2159, 2413, 41021.
What is 41021 in binary?
1010000000111101 (hexadecimal A03D, octal 120075).
What is the square root of 41021?
About 202.5364.
Is 41021 divisible by 3?
No. Its digits add up to 8, which is not a multiple of 3.
What is special about the number 41021?
It is a composite number with 8 divisors.