The number 80117
80117 is a composite number with 4 divisors. Its prime factorisation is 113 × 709. Divisors (4): 1, 113, 709, 80117.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 80117: a semiprime: 113 × 709, the product of two primes.
- 2
80117 is composite. Its prime factorisation is
- 3
The divisors add up to 80940; without 80117 itself that is 823, so 80117 is deficient (823 is less than 80117). Euler's totient φ(80117) = 79296 numbers up to 80117 share no factor with it.
- 4
The digits of 80117 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 68 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80117 = 113 \times 709 \]
80117 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 80940 |
| Euler totient φ(n) | 79296 |
| Square | 6418733689 |
| Cube | 514249686961613 |
| Square root | 283.049466 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 68 |
| Scientific notation | 8.0117 × |
80117 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand one hundred and seventeen |
| Binary (base 2) | 10011100011110101 |
| Octal (base 8) | 234365 |
| Hexadecimal (base 16) | 138F5 |
| Base 3 | 11001220022 |
| As time | 80117 seconds = 22 h 15 min 17 s |
Is 80117 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 2) | 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 2) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | 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 80117 a prime number?
No. 80117 = 113 × 709, so it is divisible by 113.
What are the factors of 80117?
1, 113, 709, 80117.
What is 80117 in binary?
10011100011110101 (hexadecimal 138F5, octal 234365).
What is the square root of 80117?
About 283.0495.
Is 80117 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 80117?
80117 is a semiprime: 113 × 709, the product of two primes.