The number 60143
60143 is a composite number with 4 divisors. Its prime factorisation is 137 × 439. Divisors (4): 1, 137, 439, 60143.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 60143: a semiprime: 137 × 439, the product of two primes.
- 2
60143 is composite. Its prime factorisation is
- 3
The divisors add up to 60720; without 60143 itself that is 577, so 60143 is deficient (577 is less than 60143). Euler's totient φ(60143) = 59568 numbers up to 60143 share no factor with it.
- 4
The digits of 60143 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 210 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60143 = 137 \times 439 \]
60143 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 60720 |
| Euler totient φ(n) | 59568 |
| Square | 3617180449 |
| Cube | 217548083744207 |
| Square root | 245.240698 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 210 |
| Scientific notation | 6.0143 × |
60143 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand one hundred and forty-three |
| Binary (base 2) | 1110101011101111 |
| Octal (base 8) | 165357 |
| Hexadecimal (base 16) | EAEF |
| Base 3 | 10001111112 |
| As time | 60143 seconds = 16 h 42 min 23 s |
Is 60143 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 7) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 60143 a prime number?
No. 60143 = 137 × 439, so it is divisible by 137.
What are the factors of 60143?
1, 137, 439, 60143.
What is 60143 in binary?
1110101011101111 (hexadecimal EAEF, octal 165357).
What is the square root of 60143?
About 245.2407.
Is 60143 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 60143?
60143 is a semiprime: 137 × 439, the product of two primes.