The number 43382
43382 is a composite number with 8 divisors. Its prime factorisation is 2 × 109 × 199. Divisors (8): 1, 2, 109, 199, 218, 398, 21691, 43382.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
43382 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
43382 is composite. Its prime factorisation is
- 3
The divisors add up to 66000; without 43382 itself that is 22618, so 43382 is deficient (22618 is less than 43382). Euler's totient φ(43382) = 21384 numbers up to 43382 share no factor with it.
- 4
The digits of 43382 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 101 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43382 = 2 \times 109 \times 199 \]
43382 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 66000 |
| Euler totient φ(n) | 21384 |
| Square | 1881997924 |
| Cube | 81644833938968 |
| Square root | 208.283461 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 101 |
| Scientific notation | 4.3382 × |
43382 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand three hundred and eighty-two |
| Binary (base 2) | 1010100101110110 |
| Octal (base 8) | 124566 |
| Hexadecimal (base 16) | A976 |
| Base 3 | 2012111202 |
| As time | 43382 seconds = 12 h 3 min 2 s |
Is 43382 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (43382 ÷ 2 = 21691) | 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 2) | 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 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 6) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | 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 43382 a prime number?
No. 43382 = 2 × 109 × 199, so it is divisible by 2.
What are the factors of 43382?
1, 2, 109, 199, 218, 398, 21691, 43382.
What is 43382 in binary?
1010100101110110 (hexadecimal A976, octal 124566).
What is the square root of 43382?
About 208.2835.
Is 43382 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 43382?
It is a composite number with 8 divisors.