The number 9429
9429 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 449. Divisors (8): 1, 3, 7, 21, 449, 1347, 3143, 9429.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
9429 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
9429 is composite. Its prime factorisation is
- 3
The divisors add up to 14400; without 9429 itself that is 4971, so 9429 is deficient (4971 is less than 9429). Euler's totient φ(9429) = 5376 numbers up to 9429 share no factor with it.
- 4
The digits of 9429 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 122 steps to reach 1.
LaTeX source of the formulas on this page
\[ 9429 = 3 \times 7 \times 449 \]
9429 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 14400 |
| Euler totient φ(n) | 5376 |
| Square | 88906041 |
| Cube | 838295060589 |
| Square root | 97.103038 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 122 |
| Scientific notation | 9.429 × |
9429 in other forms
| Form | Value |
|---|---|
| In words | nine thousand four hundred and twenty-nine |
| Binary (base 2) | 10010011010101 |
| Octal (base 8) | 22325 |
| Hexadecimal (base 16) | 24D5 |
| Base 3 | 110221020 |
| As time | 9429 seconds = 2 h 37 min 9 s |
Is 9429 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 (9429 ÷ 3 = 3143) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (9429 ÷ 7 = 1347) | 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 5) | 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 9) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 9429 a prime number?
No. 9429 = 3 × 7 × 449, so it is divisible by 3.
What are the factors of 9429?
1, 3, 7, 21, 449, 1347, 3143, 9429.
What is 9429 in binary?
10010011010101 (hexadecimal 24D5, octal 22325).
What is the square root of 9429?
About 97.1030.
Is 9429 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 9429?
It is a composite number with 8 divisors.