The number 55413
55413 is a composite number with 12 divisors. Its prime factorisation is × 47 × 131. Divisors (12): 1, 3, 9, 47, 131, 141, 393, 423, 1179, 6157, 18471, 55413.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55413 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55413 is composite. Its prime factorisation is
- 3
The divisors add up to 82368; without 55413 itself that is 26955, so 55413 is deficient (26955 is less than 55413). Euler's totient φ(55413) = 35880 numbers up to 55413 share no factor with it.
- 4
The digits of 55413 add up to 18, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 109 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55413 = 3^{2} \times 47 \times 131 \]55413 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 82368 |
| Euler totient φ(n) | 35880 |
| Square | 3070600569 |
| Cube | 170151189329997 |
| Square root | 235.399660 (= 3√6157) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 109 |
| Scientific notation | 5.5413 × |
55413 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and thirteen |
| Binary (base 2) | 1101100001110101 |
| Octal (base 8) | 154165 |
| Hexadecimal (base 16) | D875 |
| Base 3 | 2211000100 |
| As time | 55413 seconds = 15 h 23 min 33 s |
Is 55413 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 | Yes (55413 ÷ 3 = 18471) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 | Yes (55413 ÷ 9 = 6157) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55413 a prime number?
No. 55413 = × 47 × 131, so it is divisible by 3.
What are the factors of 55413?
1, 3, 9, 47, 131, 141, 393, 423, 1179, 6157, 18471, 55413.
What is 55413 in binary?
1101100001110101 (hexadecimal D875, octal 154165).
What is the square root of 55413?
About 235.3997, exactly 3√6157.
Is 55413 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 55413?
It is a composite number with 12 divisors.