The number 8055
8055 is a composite number with 12 divisors. Its prime factorisation is × 5 × 179. Divisors (12): 1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2685, 8055.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
8055 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
8055 is composite. Its prime factorisation is
- 3
The divisors add up to 14040; without 8055 itself that is 5985, so 8055 is deficient (5985 is less than 8055). Euler's totient φ(8055) = 4272 numbers up to 8055 share no factor with it.
- 4
The digits of 8055 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 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 8055 = 3^{2} \times 5 \times 179 \]8055 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 14040 |
| Euler totient φ(n) | 4272 |
| Square | 64883025 |
| Cube | 522632766375 |
| Square root | 89.749652 (= 3√895) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 70 |
| Scientific notation | 8.055 × |
8055 in other forms
| Form | Value |
|---|---|
| In words | eight thousand and fifty-five |
| Binary (base 2) | 1111101110111 |
| Octal (base 8) | 17567 |
| Hexadecimal (base 16) | 1F77 |
| Base 3 | 102001100 |
| As time | 8055 seconds = 2 h 14 min 15 s |
Is 8055 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 (8055 ÷ 3 = 2685) | 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 (8055 ÷ 5 = 1611) | 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 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (8055 ÷ 9 = 895) | 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 3) | 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 8055 a prime number?
No. 8055 = × 5 × 179, so it is divisible by 3.
What are the factors of 8055?
1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2685, 8055.
What is 8055 in binary?
1111101110111 (hexadecimal 1F77, octal 17567).
What is the square root of 8055?
About 89.7497, exactly 3√895.
Is 8055 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 8055?
It is a composite number with 12 divisors.