The number 29427
29427 is a composite number with 8 divisors. Its prime factorisation is 3 × 17 × 577. Divisors (8): 1, 3, 17, 51, 577, 1731, 9809, 29427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
29427 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
29427 is composite. Its prime factorisation is
- 3
The divisors add up to 41616; without 29427 itself that is 12189, so 29427 is deficient (12189 is less than 29427). Euler's totient φ(29427) = 18432 numbers up to 29427 share no factor with it.
- 4
The digits of 29427 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 103 steps to reach 1.
LaTeX source of the formulas on this page
\[ 29427 = 3 \times 17 \times 577 \]
29427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 41616 |
| Euler totient φ(n) | 18432 |
| Square | 865948329 |
| Cube | 25482261477483 |
| Square root | 171.542998 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 103 |
| Scientific notation | 2.9427 × |
29427 in other forms
| Form | Value |
|---|---|
| In words | twenty-nine thousand four hundred and twenty-seven |
| Binary (base 2) | 111001011110011 |
| Octal (base 8) | 71363 |
| Hexadecimal (base 16) | 72F3 |
| Base 3 | 1111100220 |
| As time | 29427 seconds = 8 h 10 min 27 s |
Is 29427 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 | Yes (29427 ÷ 3 = 9809) | 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 3) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 29427 a prime number?
No. 29427 = 3 × 17 × 577, so it is divisible by 3.
What are the factors of 29427?
1, 3, 17, 51, 577, 1731, 9809, 29427.
What is 29427 in binary?
111001011110011 (hexadecimal 72F3, octal 71363).
What is the square root of 29427?
About 171.5430.
Is 29427 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 29427?
It is a composite number with 8 divisors.