The number 42236
42236 is a composite number with 6 divisors. Its prime factorisation is × 10559. Divisors (6): 1, 2, 4, 10559, 21118, 42236.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42236 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42236 is composite. Its prime factorisation is
- 3
The divisors add up to 73920; without 42236 itself that is 31684, so 42236 is deficient (31684 is less than 42236). Euler's totient φ(42236) = 21116 numbers up to 42236 share no factor with it.
- 4
The digits of 42236 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 80 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42236 = 2^{2} \times 10559 \]42236 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 73920 |
| Euler totient φ(n) | 21116 |
| Square | 1783879696 |
| Cube | 75343942840256 |
| Square root | 205.513990 (= 2√10559) |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 80 |
| Scientific notation | 4.2236 × |
42236 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand two hundred and thirty-six |
| Binary (base 2) | 1010010011111100 |
| Octal (base 8) | 122374 |
| Hexadecimal (base 16) | A4FC |
| Base 3 | 2010221022 |
| As time | 42236 seconds = 11 h 43 min 56 s |
Is 42236 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42236 ÷ 2 = 21118) | 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 | Yes (42236 ÷ 4 = 10559) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42236 a prime number?
No. 42236 = × 10559, so it is divisible by 2.
What are the factors of 42236?
1, 2, 4, 10559, 21118, 42236.
What is 42236 in binary?
1010010011111100 (hexadecimal A4FC, octal 122374).
What is the square root of 42236?
About 205.5140, exactly 2√10559.
Is 42236 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 42236?
It is a composite number with 6 divisors.