The number 17241
17241 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 821. Divisors (8): 1, 3, 7, 21, 821, 2463, 5747, 17241.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
17241 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
17241 is composite. Its prime factorisation is
- 3
The divisors add up to 26304; without 17241 itself that is 9063, so 17241 is deficient (9063 is less than 17241). Euler's totient φ(17241) = 9840 numbers up to 17241 share no factor with it.
- 4
The digits of 17241 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 27 steps to reach 1.
LaTeX source of the formulas on this page
\[ 17241 = 3 \times 7 \times 821 \]
17241 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 26304 |
| Euler totient φ(n) | 9840 |
| Square | 297252081 |
| Cube | 5124923128521 |
| Square root | 131.304988 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 27 |
| Scientific notation | 1.7241 × |
17241 in other forms
| Form | Value |
|---|---|
| In words | seventeen thousand two hundred and forty-one |
| Binary (base 2) | 100001101011001 |
| Octal (base 8) | 41531 |
| Hexadecimal (base 16) | 4359 |
| Base 3 | 212122120 |
| As time | 17241 seconds = 4 h 47 min 21 s |
Is 17241 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 (17241 ÷ 3 = 5747) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (17241 ÷ 7 = 2463) | 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 6) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 17241 a prime number?
No. 17241 = 3 × 7 × 821, so it is divisible by 3.
What are the factors of 17241?
1, 3, 7, 21, 821, 2463, 5747, 17241.
What is 17241 in binary?
100001101011001 (hexadecimal 4359, octal 41531).
What is the square root of 17241?
About 131.3050.
Is 17241 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 17241?
It is a composite number with 8 divisors.