The number 16322
16322 is a composite number with 4 divisors. Its prime factorisation is 2 × 8161. Divisors (4): 1, 2, 8161, 16322.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 16322: a semiprime: 2 × 8161, the product of two primes.
- 2
16322 is composite. Its prime factorisation is
- 3
The divisors add up to 24486; without 16322 itself that is 8164, so 16322 is deficient (8164 is less than 16322). Euler's totient φ(16322) = 8160 numbers up to 16322 share no factor with it.
- 4
The digits of 16322 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 177 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16322 = 2 \times 8161 \]
16322 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 24486 |
| Euler totient φ(n) | 8160 |
| Square | 266407684 |
| Cube | 4348306218248 |
| Square root | 127.757583 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 177 |
| Scientific notation | 1.6322 × |
16322 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand three hundred and twenty-two |
| Binary (base 2) | 11111111000010 |
| Octal (base 8) | 37702 |
| Hexadecimal (base 16) | 3FC2 |
| Base 3 | 211101112 |
| As time | 16322 seconds = 4 h 32 min 2 s |
Is 16322 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (16322 ÷ 2 = 8161) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 2) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 16322 a prime number?
No. 16322 = 2 × 8161, so it is divisible by 2.
What are the factors of 16322?
1, 2, 8161, 16322.
What is 16322 in binary?
11111111000010 (hexadecimal 3FC2, octal 37702).
What is the square root of 16322?
About 127.7576.
Is 16322 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 16322?
16322 is a semiprime: 2 × 8161, the product of two primes.