The number 50521
50521 is a composite number with 4 divisors. Its prime factorisation is 19 × 2659. Divisors (4): 1, 19, 2659, 50521.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50521: a semiprime: 19 × 2659, the product of two primes.
- 2
50521 is composite. Its prime factorisation is
- 3
The divisors add up to 53200; without 50521 itself that is 2679, so 50521 is deficient (2679 is less than 50521). Euler's totient φ(50521) = 47844 numbers up to 50521 share no factor with it.
- 4
The digits of 50521 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 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50521 = 19 \times 2659 \]
50521 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 53200 |
| Euler totient φ(n) | 47844 |
| Square | 2552371441 |
| Cube | 128948357570761 |
| Square root | 224.768770 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 96 |
| Scientific notation | 5.0521 × |
50521 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand five hundred and twenty-one |
| Binary (base 2) | 1100010101011001 |
| Octal (base 8) | 142531 |
| Hexadecimal (base 16) | C559 |
| Base 3 | 2120022011 |
| As time | 50521 seconds = 14 h 2 min 1 s |
Is 50521 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 1) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50521 a prime number?
No. 50521 = 19 × 2659, so it is divisible by 19.
What are the factors of 50521?
1, 19, 2659, 50521.
What is 50521 in binary?
1100010101011001 (hexadecimal C559, octal 142531).
What is the square root of 50521?
About 224.7688.
Is 50521 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 50521?
50521 is a semiprime: 19 × 2659, the product of two primes.