The number 52421
52421 is a composite number with 8 divisors. Its prime factorisation is 19 × 31 × 89. Divisors (8): 1, 19, 31, 89, 589, 1691, 2759, 52421.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
52421 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
52421 is composite. Its prime factorisation is
- 3
The divisors add up to 57600; without 52421 itself that is 5179, so 52421 is deficient (5179 is less than 52421). Euler's totient φ(52421) = 47520 numbers up to 52421 share no factor with it.
- 4
The digits of 52421 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 140 steps to reach 1.
LaTeX source of the formulas on this page
\[ 52421 = 19 \times 31 \times 89 \]
52421 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 57600 |
| Euler totient φ(n) | 47520 |
| Square | 2747961241 |
| Cube | 144050876214461 |
| Square root | 228.956328 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 140 |
| Scientific notation | 5.2421 × |
52421 in other forms
| Form | Value |
|---|---|
| In words | fifty-two thousand four hundred and twenty-one |
| Binary (base 2) | 1100110011000101 |
| Octal (base 8) | 146305 |
| Hexadecimal (base 16) | CCC5 |
| Base 3 | 2122220112 |
| As time | 52421 seconds = 14 h 33 min 41 s |
Is 52421 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 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 5) | 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 5) | 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 1) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 52421 a prime number?
No. 52421 = 19 × 31 × 89, so it is divisible by 19.
What are the factors of 52421?
1, 19, 31, 89, 589, 1691, 2759, 52421.
What is 52421 in binary?
1100110011000101 (hexadecimal CCC5, octal 146305).
What is the square root of 52421?
About 228.9563.
Is 52421 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 52421?
It is a composite number with 8 divisors.