The number 16711
16711 is a composite number with 4 divisors. Its prime factorisation is 17 × 983. Divisors (4): 1, 17, 983, 16711.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 16711: a semiprime: 17 × 983, the product of two primes.
- 2
16711 is composite. Its prime factorisation is
- 3
The divisors add up to 17712; without 16711 itself that is 1001, so 16711 is deficient (1001 is less than 16711). Euler's totient φ(16711) = 15712 numbers up to 16711 share no factor with it.
- 4
The digits of 16711 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 141 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16711 = 17 \times 983 \]
16711 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 17712 |
| Euler totient φ(n) | 15712 |
| Square | 279257521 |
| Cube | 4666672433431 |
| Square root | 129.271033 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 141 |
| Scientific notation | 1.6711 × |
16711 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand seven hundred and eleven |
| Binary (base 2) | 100000101000111 |
| Octal (base 8) | 40507 |
| Hexadecimal (base 16) | 4147 |
| Base 3 | 211220221 |
| As time | 16711 seconds = 4 h 38 min 31 s |
Is 16711 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 1) | 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 2) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 16711 a prime number?
No. 16711 = 17 × 983, so it is divisible by 17.
What are the factors of 16711?
1, 17, 983, 16711.
What is 16711 in binary?
100000101000111 (hexadecimal 4147, octal 40507).
What is the square root of 16711?
About 129.2710.
Is 16711 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 16711?
16711 is a semiprime: 17 × 983, the product of two primes.