The number 11017
11017 is a composite number with 4 divisors. Its prime factorisation is 23 × 479. Divisors (4): 1, 23, 479, 11017.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 11017: a semiprime: 23 × 479, the product of two primes.
- 2
11017 is composite. Its prime factorisation is
- 3
The divisors add up to 11520; without 11017 itself that is 503, so 11017 is deficient (503 is less than 11017). Euler's totient φ(11017) = 10516 numbers up to 11017 share no factor with it.
- 4
The digits of 11017 add up to 10, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 161 steps to reach 1.
LaTeX source of the formulas on this page
\[ 11017 = 23 \times 479 \]
11017 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 11520 |
| Euler totient φ(n) | 10516 |
| Square | 121374289 |
| Cube | 1337180541913 |
| Square root | 104.961898 |
| Digit sum / digital root | 10 / 1 |
| Collatz steps to 1 | 161 |
| Scientific notation | 1.1017 × |
11017 in other forms
| Form | Value |
|---|---|
| In words | eleven thousand and seventeen |
| Binary (base 2) | 10101100001001 |
| Octal (base 8) | 25411 |
| Hexadecimal (base 16) | 2B09 |
| Base 3 | 120010001 |
| As time | 11017 seconds = 3 h 3 min 37 s |
Is 11017 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 2) | 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 6) | 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 1) | 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 6) | 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 11017 a prime number?
No. 11017 = 23 × 479, so it is divisible by 23.
What are the factors of 11017?
1, 23, 479, 11017.
What is 11017 in binary?
10101100001001 (hexadecimal 2B09, octal 25411).
What is the square root of 11017?
About 104.9619.
Is 11017 divisible by 3?
No. Its digits add up to 10, which is not a multiple of 3.
What is special about the number 11017?
11017 is a semiprime: 23 × 479, the product of two primes.