The number 58142
58142 is a composite number with 8 divisors. Its prime factorisation is 2 × 7 × 4153. Divisors (8): 1, 2, 7, 14, 4153, 8306, 29071, 58142.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
58142 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
58142 is composite. Its prime factorisation is
- 3
The divisors add up to 99696; without 58142 itself that is 41554, so 58142 is deficient (41554 is less than 58142). Euler's totient φ(58142) = 24912 numbers up to 58142 share no factor with it.
- 4
The digits of 58142 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 166 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58142 = 2 \times 7 \times 4153 \]
58142 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 99696 |
| Euler totient φ(n) | 24912 |
| Square | 3380492164 |
| Cube | 196548575399288 |
| Square root | 241.126523 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 166 |
| Scientific notation | 5.8142 × |
58142 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand one hundred and forty-two |
| Binary (base 2) | 1110001100011110 |
| Octal (base 8) | 161436 |
| Hexadecimal (base 16) | E31E |
| Base 3 | 2221202102 |
| As time | 58142 seconds = 16 h 9 min 2 s |
Is 58142 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (58142 ÷ 2 = 29071) | 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 | Yes (58142 ÷ 7 = 8306) | 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 2) | 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 7) | 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 58142 a prime number?
No. 58142 = 2 × 7 × 4153, so it is divisible by 2.
What are the factors of 58142?
1, 2, 7, 14, 4153, 8306, 29071, 58142.
What is 58142 in binary?
1110001100011110 (hexadecimal E31E, octal 161436).
What is the square root of 58142?
About 241.1265.
Is 58142 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 58142?
It is a composite number with 8 divisors.