The number 80055
80055 is a composite number with 16 divisors. Its prime factorisation is × 5 × 593. Divisors (16): 1, 3, 5, 9, 15, 27, 45, 135, 593, 1779, 2965, 5337, 8895, 16011, 26685, 80055.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
80055 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80055 is composite. Its prime factorisation is
- 3
The divisors add up to 142560; without 80055 itself that is 62505, so 80055 is deficient (62505 is less than 80055). Euler's totient φ(80055) = 42624 numbers up to 80055 share no factor with it.
- 4
The digits of 80055 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 76 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80055 = 3^{3} \times 5 \times 593 \]80055 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 142560 |
| Euler totient φ(n) | 42624 |
| Square | 6408803025 |
| Cube | 513056726166375 |
| Square root | 282.939923 (= 3√8895) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 76 |
| Scientific notation | 8.0055 × |
80055 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand and fifty-five |
| Binary (base 2) | 10011100010110111 |
| Octal (base 8) | 234267 |
| Hexadecimal (base 16) | 138B7 |
| Base 3 | 11001211000 |
| As time | 80055 seconds = 22 h 14 min 15 s |
Is 80055 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 (80055 ÷ 3 = 26685) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (80055 ÷ 5 = 16011) | 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 3) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (80055 ÷ 9 = 8895) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80055 a prime number?
No. 80055 = × 5 × 593, so it is divisible by 3.
What are the factors of 80055?
1, 3, 5, 9, 15, 27, 45, 135, 593, 1779, 2965, 5337, 8895, 16011, 26685, 80055.
What is 80055 in binary?
10011100010110111 (hexadecimal 138B7, octal 234267).
What is the square root of 80055?
About 282.9399, exactly 3√8895.
Is 80055 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 80055?
It is a composite number with 16 divisors.