The number 42329
42329 is a composite number with 4 divisors. Its prime factorisation is 7 × 6047. Divisors (4): 1, 7, 6047, 42329.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 42329: a semiprime: 7 × 6047, the product of two primes.
- 2
42329 is composite. Its prime factorisation is
- 3
The divisors add up to 48384; without 42329 itself that is 6055, so 42329 is deficient (6055 is less than 42329). Euler's totient φ(42329) = 36276 numbers up to 42329 share no factor with it.
- 4
The digits of 42329 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 106 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42329 = 7 \times 6047 \]
42329 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 48384 |
| Euler totient φ(n) | 36276 |
| Square | 1791744241 |
| Cube | 75842741977289 |
| Square root | 205.740127 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 106 |
| Scientific notation | 4.2329 × |
42329 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand three hundred and twenty-nine |
| Binary (base 2) | 1010010101011001 |
| Octal (base 8) | 122531 |
| Hexadecimal (base 16) | A559 |
| Base 3 | 2011001202 |
| As time | 42329 seconds = 11 h 45 min 29 s |
Is 42329 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | 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 (42329 ÷ 7 = 6047) | 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 1) | 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 9) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42329 a prime number?
No. 42329 = 7 × 6047, so it is divisible by 7.
What are the factors of 42329?
1, 7, 6047, 42329.
What is 42329 in binary?
1010010101011001 (hexadecimal A559, octal 122531).
What is the square root of 42329?
About 205.7401.
Is 42329 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 42329?
42329 is a semiprime: 7 × 6047, the product of two primes.