The number 34142
34142 is a composite number with 8 divisors. Its prime factorisation is 2 × 43 × 397. Divisors (8): 1, 2, 43, 86, 397, 794, 17071, 34142.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
34142 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
34142 is composite. Its prime factorisation is
- 3
The divisors add up to 52536; without 34142 itself that is 18394, so 34142 is deficient (18394 is less than 34142). Euler's totient φ(34142) = 16632 numbers up to 34142 share no factor with it.
- 4
The digits of 34142 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 173 steps to reach 1.
LaTeX source of the formulas on this page
\[ 34142 = 2 \times 43 \times 397 \]
34142 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 52536 |
| Euler totient φ(n) | 16632 |
| Square | 1165676164 |
| Cube | 39798515591288 |
| Square root | 184.775540 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 173 |
| Scientific notation | 3.4142 × |
34142 in other forms
| Form | Value |
|---|---|
| In words | thirty-four thousand one hundred and forty-two |
| Binary (base 2) | 1000010101011110 |
| Octal (base 8) | 102536 |
| Hexadecimal (base 16) | 855E |
| Base 3 | 1201211112 |
| As time | 34142 seconds = 9 h 29 min 2 s |
Is 34142 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (34142 ÷ 2 = 17071) | 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 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 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 34142 a prime number?
No. 34142 = 2 × 43 × 397, so it is divisible by 2.
What are the factors of 34142?
1, 2, 43, 86, 397, 794, 17071, 34142.
What is 34142 in binary?
1000010101011110 (hexadecimal 855E, octal 102536).
What is the square root of 34142?
About 184.7755.
Is 34142 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 34142?
It is a composite number with 8 divisors.