The number 9425
9425 is a composite number with 12 divisors. Its prime factorisation is × 13 × 29. Divisors (12): 1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
9425 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
9425 is composite. Its prime factorisation is
- 3
The divisors add up to 13020; without 9425 itself that is 3595, so 9425 is deficient (3595 is less than 9425). Euler's totient φ(9425) = 6720 numbers up to 9425 share no factor with it.
- 4
The digits of 9425 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 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 9425 = 5^{2} \times 13 \times 29 \]9425 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 13020 |
| Euler totient φ(n) | 6720 |
| Square | 88830625 |
| Cube | 837228640625 |
| Square root | 97.082439 (= 5√377) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 153 |
| Scientific notation | 9.425 × |
9425 in other forms
| Form | Value |
|---|---|
| In words | nine thousand four hundred and twenty-five |
| Binary (base 2) | 10010011010001 |
| Octal (base 8) | 22321 |
| Hexadecimal (base 16) | 24D1 |
| Base 3 | 110221002 |
| As time | 9425 seconds = 2 h 37 min 5 s |
Is 9425 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 | Yes (9425 ÷ 5 = 1885) | 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 | 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 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 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | 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 9425 a prime number?
No. 9425 = × 13 × 29, so it is divisible by 5.
What are the factors of 9425?
1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425.
What is 9425 in binary?
10010011010001 (hexadecimal 24D1, octal 22321).
What is the square root of 9425?
About 97.0824, exactly 5√377.
Is 9425 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 9425?
It is a composite number with 12 divisors.