The number 42367
42367 is a composite number with 4 divisors. Its prime factorisation is 13 × 3259. Divisors (4): 1, 13, 3259, 42367.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 42367: a semiprime: 13 × 3259, the product of two primes.
- 2
42367 is composite. Its prime factorisation is
- 3
The divisors add up to 45640; without 42367 itself that is 3273, so 42367 is deficient (3273 is less than 42367). Euler's totient φ(42367) = 39096 numbers up to 42367 share no factor with it.
- 4
The digits of 42367 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 80 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42367 = 13 \times 3259 \]
42367 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 45640 |
| Euler totient φ(n) | 39096 |
| Square | 1794962689 |
| Cube | 76047184244863 |
| Square root | 205.832456 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 80 |
| Scientific notation | 4.2367 × |
42367 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand three hundred and sixty-seven |
| Binary (base 2) | 1010010101111111 |
| Octal (base 8) | 122577 |
| Hexadecimal (base 16) | A57F |
| Base 3 | 2011010011 |
| As time | 42367 seconds = 11 h 46 min 7 s |
Is 42367 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 1) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 7) | 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 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42367 a prime number?
No. 42367 = 13 × 3259, so it is divisible by 13.
What are the factors of 42367?
1, 13, 3259, 42367.
What is 42367 in binary?
1010010101111111 (hexadecimal A57F, octal 122577).
What is the square root of 42367?
About 205.8325.
Is 42367 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 42367?
42367 is a semiprime: 13 × 3259, the product of two primes.