The number 9321
9321 is a composite number with 8 divisors. Its prime factorisation is 3 × 13 × 239. Divisors (8): 1, 3, 13, 39, 239, 717, 3107, 9321.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
9321 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
9321 is composite. Its prime factorisation is
- 3
The divisors add up to 13440; without 9321 itself that is 4119, so 9321 is deficient (4119 is less than 9321). Euler's totient φ(9321) = 5712 numbers up to 9321 share no factor with it.
- 4
The digits of 9321 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 60 steps to reach 1.
LaTeX source of the formulas on this page
\[ 9321 = 3 \times 13 \times 239 \]
9321 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 13440 |
| Euler totient φ(n) | 5712 |
| Square | 86881041 |
| Cube | 809818183161 |
| Square root | 96.545326 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 60 |
| Scientific notation | 9.321 × |
9321 in other forms
| Form | Value |
|---|---|
| In words | nine thousand three hundred and twenty-one |
| Binary (base 2) | 10010001101001 |
| Octal (base 8) | 22151 |
| Hexadecimal (base 16) | 2469 |
| Base 3 | 110210020 |
| As time | 9321 seconds = 2 h 35 min 21 s |
Is 9321 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 (9321 ÷ 3 = 3107) | 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 | No (remainder 4) | 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 9321 a prime number?
No. 9321 = 3 × 13 × 239, so it is divisible by 3.
What are the factors of 9321?
1, 3, 13, 39, 239, 717, 3107, 9321.
What is 9321 in binary?
10010001101001 (hexadecimal 2469, octal 22151).
What is the square root of 9321?
About 96.5453.
Is 9321 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 9321?
It is a composite number with 8 divisors.