The number 22043
22043 is a composite number with 8 divisors. Its prime factorisation is 7 × 47 × 67. Divisors (8): 1, 7, 47, 67, 329, 469, 3149, 22043.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
22043 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
22043 is composite. Its prime factorisation is
- 3
The divisors add up to 26112; without 22043 itself that is 4069, so 22043 is deficient (4069 is less than 22043). Euler's totient φ(22043) = 18216 numbers up to 22043 share no factor with it.
- 4
The digits of 22043 add up to 11, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 268 steps to reach 1.
LaTeX source of the formulas on this page
\[ 22043 = 7 \times 47 \times 67 \]
22043 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 26112 |
| Euler totient φ(n) | 18216 |
| Square | 485893849 |
| Cube | 10710558113507 |
| Square root | 148.468852 |
| Digit sum / digital root | 11 / 2 |
| Collatz steps to 1 | 268 |
| Scientific notation | 2.2043 × |
22043 in other forms
| Form | Value |
|---|---|
| In words | twenty-two thousand and forty-three |
| Binary (base 2) | 101011000011011 |
| Octal (base 8) | 53033 |
| Hexadecimal (base 16) | 561B |
| Base 3 | 1010020102 |
| As time | 22043 seconds = 6 h 7 min 23 s |
Is 22043 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 2) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (22043 ÷ 7 = 3149) | 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 3) | 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 3) | 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 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 22043 a prime number?
No. 22043 = 7 × 47 × 67, so it is divisible by 7.
What are the factors of 22043?
1, 7, 47, 67, 329, 469, 3149, 22043.
What is 22043 in binary?
101011000011011 (hexadecimal 561B, octal 53033).
What is the square root of 22043?
About 148.4689.
Is 22043 divisible by 3?
No. Its digits add up to 11, which is not a multiple of 3.
What is special about the number 22043?
It is a composite number with 8 divisors.