The number 58421
58421 is a composite number with 8 divisors. Its prime factorisation is 11 × 47 × 113. Divisors (8): 1, 11, 47, 113, 517, 1243, 5311, 58421.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
58421 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
58421 is composite. Its prime factorisation is
- 3
The divisors add up to 65664; without 58421 itself that is 7243, so 58421 is deficient (7243 is less than 58421). Euler's totient φ(58421) = 51520 numbers up to 58421 share no factor with it.
- 4
The digits of 58421 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 47 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58421 = 11 \times 47 \times 113 \]
58421 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 65664 |
| Euler totient φ(n) | 51520 |
| Square | 3413013241 |
| Cube | 199391646552461 |
| Square root | 241.704365 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 47 |
| Scientific notation | 5.8421 × |
58421 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand four hundred and twenty-one |
| Binary (base 2) | 1110010000110101 |
| Octal (base 8) | 162065 |
| Hexadecimal (base 16) | E435 |
| Base 3 | 2222010202 |
| As time | 58421 seconds = 16 h 13 min 41 s |
Is 58421 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 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 | Yes (58421 ÷ 11 = 5311) | 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 58421 a prime number?
No. 58421 = 11 × 47 × 113, so it is divisible by 11.
What are the factors of 58421?
1, 11, 47, 113, 517, 1243, 5311, 58421.
What is 58421 in binary?
1110010000110101 (hexadecimal E435, octal 162065).
What is the square root of 58421?
About 241.7044.
Is 58421 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 58421?
It is a composite number with 8 divisors.