The number 97427
97427 is a composite number with 8 divisors. Its prime factorisation is 11 × 17 × 521. Divisors (8): 1, 11, 17, 187, 521, 5731, 8857, 97427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
97427 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
97427 is composite. Its prime factorisation is
- 3
The divisors add up to 112752; without 97427 itself that is 15325, so 97427 is deficient (15325 is less than 97427). Euler's totient φ(97427) = 83200 numbers up to 97427 share no factor with it.
- 4
The digits of 97427 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 84 steps to reach 1.
LaTeX source of the formulas on this page
\[ 97427 = 11 \times 17 \times 521 \]
97427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 112752 |
| Euler totient φ(n) | 83200 |
| Square | 9492020329 |
| Cube | 924779064593483 |
| Square root | 312.132984 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 84 |
| Scientific notation | 9.7427 × |
97427 in other forms
| Form | Value |
|---|---|
| In words | ninety-seven thousand four hundred and twenty-seven |
| Binary (base 2) | 10111110010010011 |
| Octal (base 8) | 276223 |
| Hexadecimal (base 16) | 17C93 |
| Base 3 | 11221122102 |
| As time | 97427 seconds = 27 h 3 min 47 s |
Is 97427 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 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 2) | 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 | Yes (97427 ÷ 11 = 8857) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 97427 a prime number?
No. 97427 = 11 × 17 × 521, so it is divisible by 11.
What are the factors of 97427?
1, 11, 17, 187, 521, 5731, 8857, 97427.
What is 97427 in binary?
10111110010010011 (hexadecimal 17C93, octal 276223).
What is the square root of 97427?
About 312.1330.
Is 97427 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 97427?
It is a composite number with 8 divisors.