The number 60142
60142 is a composite number with 4 divisors. Its prime factorisation is 2 × 30071. Divisors (4): 1, 2, 30071, 60142.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 60142: a semiprime: 2 × 30071, the product of two primes.
- 2
60142 is composite. Its prime factorisation is
- 3
The divisors add up to 90216; without 60142 itself that is 30074, so 60142 is deficient (30074 is less than 60142). Euler's totient φ(60142) = 30070 numbers up to 60142 share no factor with it.
- 4
The digits of 60142 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 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60142 = 2 \times 30071 \]
60142 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 90216 |
| Euler totient φ(n) | 30070 |
| Square | 3617060164 |
| Cube | 217537232383288 |
| Square root | 245.238659 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 65 |
| Scientific notation | 6.0142 × |
60142 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand one hundred and forty-two |
| Binary (base 2) | 1110101011101110 |
| Octal (base 8) | 165356 |
| Hexadecimal (base 16) | EAEE |
| Base 3 | 10001111111 |
| As time | 60142 seconds = 16 h 42 min 22 s |
Is 60142 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (60142 ÷ 2 = 30071) | 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 5) | 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 5) | 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 60142 a prime number?
No. 60142 = 2 × 30071, so it is divisible by 2.
What are the factors of 60142?
1, 2, 30071, 60142.
What is 60142 in binary?
1110101011101110 (hexadecimal EAEE, octal 165356).
What is the square root of 60142?
About 245.2387.
Is 60142 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 60142?
60142 is a semiprime: 2 × 30071, the product of two primes.