The number 50143
50143 is a composite number with 4 divisors. Its prime factorisation is 41 × 1223. Divisors (4): 1, 41, 1223, 50143.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50143: a semiprime: 41 × 1223, the product of two primes.
- 2
50143 is composite. Its prime factorisation is
- 3
The divisors add up to 51408; without 50143 itself that is 1265, so 50143 is deficient (1265 is less than 50143). Euler's totient φ(50143) = 48880 numbers up to 50143 share no factor with it.
- 4
The digits of 50143 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 88 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50143 = 41 \times 1223 \]
50143 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 51408 |
| Euler totient φ(n) | 48880 |
| Square | 2514320449 |
| Cube | 126075570274207 |
| Square root | 223.926327 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 88 |
| Scientific notation | 5.0143 × |
50143 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand one hundred and forty-three |
| Binary (base 2) | 1100001111011111 |
| Octal (base 8) | 141737 |
| Hexadecimal (base 16) | C3DF |
| Base 3 | 2112210011 |
| As time | 50143 seconds = 13 h 55 min 43 s |
Is 50143 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 1) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 4) | 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 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50143 a prime number?
No. 50143 = 41 × 1223, so it is divisible by 41.
What are the factors of 50143?
1, 41, 1223, 50143.
What is 50143 in binary?
1100001111011111 (hexadecimal C3DF, octal 141737).
What is the square root of 50143?
About 223.9263.
Is 50143 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 50143?
50143 is a semiprime: 41 × 1223, the product of two primes.