The number 55041
55041 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 2621. Divisors (8): 1, 3, 7, 21, 2621, 7863, 18347, 55041.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55041 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55041 is composite. Its prime factorisation is
- 3
The divisors add up to 83904; without 55041 itself that is 28863, so 55041 is deficient (28863 is less than 55041). Euler's totient φ(55041) = 31440 numbers up to 55041 share no factor with it.
- 4
The digits of 55041 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55041 = 3 \times 7 \times 2621 \]
55041 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 83904 |
| Euler totient φ(n) | 31440 |
| Square | 3029511681 |
| Cube | 166747352433921 |
| Square root | 234.608184 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5041 × |
55041 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand and forty-one |
| Binary (base 2) | 1101011100000001 |
| Octal (base 8) | 153401 |
| Hexadecimal (base 16) | D701 |
| Base 3 | 2210111120 |
| As time | 55041 seconds = 15 h 17 min 21 s |
Is 55041 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 (55041 ÷ 3 = 18347) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (55041 ÷ 7 = 7863) | 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 6) | 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 8) | 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 55041 a prime number?
No. 55041 = 3 × 7 × 2621, so it is divisible by 3.
What are the factors of 55041?
1, 3, 7, 21, 2621, 7863, 18347, 55041.
What is 55041 in binary?
1101011100000001 (hexadecimal D701, octal 153401).
What is the square root of 55041?
About 234.6082.
Is 55041 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 55041?
It is a composite number with 8 divisors.