The number 29329
29329 is a composite number with 4 divisors. Its prime factorisation is 139 × 211. Divisors (4): 1, 139, 211, 29329.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 29329: a semiprime: 139 × 211, the product of two primes.
- 2
29329 is composite. Its prime factorisation is
- 3
The divisors add up to 29680; without 29329 itself that is 351, so 29329 is deficient (351 is less than 29329). Euler's totient φ(29329) = 28980 numbers up to 29329 share no factor with it.
- 4
The digits of 29329 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 72 steps to reach 1.
LaTeX source of the formulas on this page
\[ 29329 = 139 \times 211 \]
29329 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 29680 |
| Euler totient φ(n) | 28980 |
| Square | 860190241 |
| Cube | 25228519578289 |
| Square root | 171.257117 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 72 |
| Scientific notation | 2.9329 × |
29329 in other forms
| Form | Value |
|---|---|
| In words | twenty-nine thousand three hundred and twenty-nine |
| Binary (base 2) | 111001010010001 |
| Octal (base 8) | 71221 |
| Hexadecimal (base 16) | 7291 |
| Base 3 | 1111020021 |
| As time | 29329 seconds = 8 h 8 min 49 s |
Is 29329 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 7) | 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 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 29329 a prime number?
No. 29329 = 139 × 211, so it is divisible by 139.
What are the factors of 29329?
1, 139, 211, 29329.
What is 29329 in binary?
111001010010001 (hexadecimal 7291, octal 71221).
What is the square root of 29329?
About 171.2571.
Is 29329 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 29329?
29329 is a semiprime: 139 × 211, the product of two primes.