The number 34427
34427 is a composite number with 4 divisors. Its prime factorisation is 173 × 199. Divisors (4): 1, 173, 199, 34427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 34427: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 173 × 199, the product of two primes.
- 2
34427 is composite. Its prime factorisation is
- 3
The divisors add up to 34800; without 34427 itself that is 373, so 34427 is deficient (373 is less than 34427). Euler's totient φ(34427) = 34056 numbers up to 34427 share no factor with it.
- 4
The digits of 34427 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 67 steps to reach 1.
LaTeX source of the formulas on this page
\[ 34427 = 173 \times 199 \]
34427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 34800 |
| Euler totient φ(n) | 34056 |
| Square | 1185218329 |
| Cube | 40803511412483 |
| Square root | 185.545143 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 67 |
| Scientific notation | 3.4427 × |
34427 in other forms
| Form | Value |
|---|---|
| In words | thirty-four thousand four hundred and twenty-seven |
| Binary (base 2) | 1000011001111011 |
| Octal (base 8) | 103173 |
| Hexadecimal (base 16) | 867B |
| Base 3 | 1202020002 |
| As time | 34427 seconds = 9 h 33 min 47 s |
Is 34427 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 | No (remainder 8) | 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 34427 a prime number?
No. 34427 = 173 × 199, so it is divisible by 173.
What are the factors of 34427?
1, 173, 199, 34427.
What is 34427 in binary?
1000011001111011 (hexadecimal 867B, octal 103173).
What is the square root of 34427?
About 185.5451.
Is 34427 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 34427?
34427 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 173 × 199, the product of two primes.