The number 80113
80113 is a composite number with 4 divisors. Its prime factorisation is 11 × 7283. Divisors (4): 1, 11, 7283, 80113.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 80113: a semiprime: 11 × 7283, the product of two primes.
- 2
80113 is composite. Its prime factorisation is
- 3
The divisors add up to 87408; without 80113 itself that is 7295, so 80113 is deficient (7295 is less than 80113). Euler's totient φ(80113) = 72820 numbers up to 80113 share no factor with it.
- 4
The digits of 80113 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 68 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80113 = 11 \times 7283 \]
80113 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 87408 |
| Euler totient φ(n) | 72820 |
| Square | 6418092769 |
| Cube | 514172666002897 |
| Square root | 283.042400 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 68 |
| Scientific notation | 8.0113 × |
80113 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand one hundred and thirteen |
| Binary (base 2) | 10011100011110001 |
| Octal (base 8) | 234361 |
| Hexadecimal (base 16) | 138F1 |
| Base 3 | 11001220011 |
| As time | 80113 seconds = 22 h 15 min 13 s |
Is 80113 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 1) | 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 1) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 | Yes (80113 ÷ 11 = 7283) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80113 a prime number?
No. 80113 = 11 × 7283, so it is divisible by 11.
What are the factors of 80113?
1, 11, 7283, 80113.
What is 80113 in binary?
10011100011110001 (hexadecimal 138F1, octal 234361).
What is the square root of 80113?
About 283.0424.
Is 80113 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 80113?
80113 is a semiprime: 11 × 7283, the product of two primes.