The number 16994
16994 is a composite number with 8 divisors. Its prime factorisation is 2 × 29 × 293. Divisors (8): 1, 2, 29, 58, 293, 586, 8497, 16994.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 16994: a Harshad number: divisible by its digit sum 29.
- 2
16994 is composite. Its prime factorisation is
- 3
The divisors add up to 26460; without 16994 itself that is 9466, so 16994 is deficient (9466 is less than 16994). Euler's totient φ(16994) = 8176 numbers up to 16994 share no factor with it.
- 4
The digits of 16994 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 128 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16994 = 2 \times 29 \times 293 \]
16994 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 26460 |
| Euler totient φ(n) | 8176 |
| Square | 288796036 |
| Cube | 4907799835784 |
| Square root | 130.361037 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 128 |
| Scientific notation | 1.6994 × |
16994 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand nine hundred and ninety-four |
| Binary (base 2) | 100001001100010 |
| Octal (base 8) | 41142 |
| Hexadecimal (base 16) | 4262 |
| Base 3 | 212022102 |
| As time | 16994 seconds = 4 h 43 min 14 s |
Is 16994 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (16994 ÷ 2 = 8497) | 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 4) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 16994 a prime number?
No. 16994 = 2 × 29 × 293, so it is divisible by 2.
What are the factors of 16994?
1, 2, 29, 58, 293, 586, 8497, 16994.
What is 16994 in binary?
100001001100010 (hexadecimal 4262, octal 41142).
What is the square root of 16994?
About 130.3610.
Is 16994 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 16994?
16994 is a Harshad number: divisible by its digit sum 29.