The number 6142
6142 is a composite number with 8 divisors. Its prime factorisation is 2 × 37 × 83. Divisors (8): 1, 2, 37, 74, 83, 166, 3071, 6142.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
6142 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
6142 is composite. Its prime factorisation is
- 3
The divisors add up to 9576; without 6142 itself that is 3434, so 6142 is deficient (3434 is less than 6142). Euler's totient φ(6142) = 2952 numbers up to 6142 share no factor with it.
- 4
The digits of 6142 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 155 steps to reach 1.
LaTeX source of the formulas on this page
\[ 6142 = 2 \times 37 \times 83 \]
6142 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 9576 |
| Euler totient φ(n) | 2952 |
| Square | 37724164 |
| Cube | 231701815288 |
| Square root | 78.370913 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 155 |
| Scientific notation | 6.142 × |
6142 in other forms
| Form | Value |
|---|---|
| In words | six thousand one hundred and forty-two |
| Binary (base 2) | 1011111111110 |
| Octal (base 8) | 13776 |
| Hexadecimal (base 16) | 17FE |
| Base 3 | 22102111 |
| As time | 6142 seconds = 1 h 42 min 22 s |
Is 6142 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (6142 ÷ 2 = 3071) | 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 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 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 4) | 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 6142 a prime number?
No. 6142 = 2 × 37 × 83, so it is divisible by 2.
What are the factors of 6142?
1, 2, 37, 74, 83, 166, 3071, 6142.
What is 6142 in binary?
1011111111110 (hexadecimal 17FE, octal 13776).
What is the square root of 6142?
About 78.3709.
Is 6142 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 6142?
It is a composite number with 8 divisors.