The number 16600
16600 is a composite number with 24 divisors. Its prime factorisation is × × 83. Divisors (24): 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415 … 16600.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
16600 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
16600 is composite. Its prime factorisation is
- 3
The divisors add up to 39060; without 16600 itself that is 22460, so 16600 is abundant (22460 is more than 16600). Euler's totient φ(16600) = 6560 numbers up to 16600 share no factor with it.
- 4
The digits of 16600 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 97 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16600 = 2^{3} \times 5^{2} \times 83 \]16600 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 39060 |
| Euler totient φ(n) | 6560 |
| Square | 275560000 |
| Cube | 4574296000000 |
| Square root | 128.840987 (= 10√166) |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 97 |
| Scientific notation | 1.66 × |
16600 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand six hundred |
| Binary (base 2) | 100000011011000 |
| Octal (base 8) | 40330 |
| Hexadecimal (base 16) | 40D8 |
| Base 3 | 211202211 |
| As time | 16600 seconds = 4 h 36 min 40 s |
Is 16600 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (16600 ÷ 2 = 8300) | 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 | Yes (16600 ÷ 4 = 4150) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (16600 ÷ 5 = 3320) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | 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 | Yes (16600 ÷ 8 = 2075) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (16600 ÷ 10 = 1660) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 16600 a prime number?
No. 16600 = × × 83, so it is divisible by 2.
What are the factors of 16600?
1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1660, 2075, 3320, 4150, 8300, 16600.
What is 16600 in binary?
100000011011000 (hexadecimal 40D8, octal 40330).
What is the square root of 16600?
About 128.8410, exactly 10√166.
Is 16600 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 16600?
It is a composite number with 24 divisors.