The number 16698
16698 is a composite number with 24 divisors. Its prime factorisation is 2 × 3 × × 23. Divisors (24): 1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 138, 242, 253, 363 … 16698.
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How to work it out
- 1
16698 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
16698 is composite. Its prime factorisation is
- 3
The divisors add up to 38304; without 16698 itself that is 21606, so 16698 is abundant (21606 is more than 16698). Euler's totient φ(16698) = 4840 numbers up to 16698 share no factor with it.
- 4
The digits of 16698 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 115 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16698 = 2 \times 3 \times 11^{2} \times 23 \]16698 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 38304 |
| Euler totient φ(n) | 4840 |
| Square | 278823204 |
| Cube | 4655789860392 |
| Square root | 129.220741 (= 11√138) |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 115 |
| Scientific notation | 1.6698 × |
16698 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand six hundred and ninety-eight |
| Binary (base 2) | 100000100111010 |
| Octal (base 8) | 40472 |
| Hexadecimal (base 16) | 413A |
| Base 3 | 211220110 |
| As time | 16698 seconds = 4 h 38 min 18 s |
Is 16698 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (16698 ÷ 2 = 8349) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (16698 ÷ 3 = 5566) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (16698 ÷ 6 = 2783) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (16698 ÷ 11 = 1518) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 16698 a prime number?
No. 16698 = 2 × 3 × × 23, so it is divisible by 2.
What are the factors of 16698?
1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 138, 242, 253, 363, 506, 726, 759, 1518, 2783, 5566, 8349, 16698.
What is 16698 in binary?
100000100111010 (hexadecimal 413A, octal 40472).
What is the square root of 16698?
About 129.2207, exactly 11√138.
Is 16698 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 16698?
It is a composite number with 24 divisors.