The number 16867
16867 is a composite number with 4 divisors. Its prime factorisation is 101 × 167. Divisors (4): 1, 101, 167, 16867.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 16867: a semiprime: 101 × 167, the product of two primes.
- 2
16867 is composite. Its prime factorisation is
- 3
The divisors add up to 17136; without 16867 itself that is 269, so 16867 is deficient (269 is less than 16867). Euler's totient φ(16867) = 16600 numbers up to 16867 share no factor with it.
- 4
The digits of 16867 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 84 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16867 = 101 \times 167 \]
16867 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 17136 |
| Euler totient φ(n) | 16600 |
| Square | 284495689 |
| Cube | 4798588786363 |
| Square root | 129.873015 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 84 |
| Scientific notation | 1.6867 × |
16867 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand eight hundred and sixty-seven |
| Binary (base 2) | 100000111100011 |
| Octal (base 8) | 40743 |
| Hexadecimal (base 16) | 41E3 |
| Base 3 | 212010201 |
| As time | 16867 seconds = 4 h 41 min 7 s |
Is 16867 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 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 1) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 16867 a prime number?
No. 16867 = 101 × 167, so it is divisible by 101.
What are the factors of 16867?
1, 101, 167, 16867.
What is 16867 in binary?
100000111100011 (hexadecimal 41E3, octal 40743).
What is the square root of 16867?
About 129.8730.
Is 16867 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 16867?
16867 is a semiprime: 101 × 167, the product of two primes.