The number 34042
34042 is a composite number with 4 divisors. Its prime factorisation is 2 × 17021. Divisors (4): 1, 2, 17021, 34042.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 34042: a semiprime: 2 × 17021, the product of two primes.
- 2
34042 is composite. Its prime factorisation is
- 3
The divisors add up to 51066; without 34042 itself that is 17024, so 34042 is deficient (17024 is less than 34042). Euler's totient φ(34042) = 17020 numbers up to 34042 share no factor with it.
- 4
The digits of 34042 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 204 steps to reach 1.
LaTeX source of the formulas on this page
\[ 34042 = 2 \times 17021 \]
34042 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 51066 |
| Euler totient φ(n) | 17020 |
| Square | 1158857764 |
| Cube | 39449836002088 |
| Square root | 184.504742 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 204 |
| Scientific notation | 3.4042 × |
34042 in other forms
| Form | Value |
|---|---|
| In words | thirty-four thousand and forty-two |
| Binary (base 2) | 1000010011111010 |
| Octal (base 8) | 102372 |
| Hexadecimal (base 16) | 84FA |
| Base 3 | 1201200211 |
| As time | 34042 seconds = 9 h 27 min 22 s |
Is 34042 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (34042 ÷ 2 = 17021) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | 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 4) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 34042 a prime number?
No. 34042 = 2 × 17021, so it is divisible by 2.
What are the factors of 34042?
1, 2, 17021, 34042.
What is 34042 in binary?
1000010011111010 (hexadecimal 84FA, octal 102372).
What is the square root of 34042?
About 184.5047.
Is 34042 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 34042?
34042 is a semiprime: 2 × 17021, the product of two primes.