The number 27173
27173 is a composite number with 4 divisors. Its prime factorisation is 29 × 937. Divisors (4): 1, 29, 937, 27173.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27173: a semiprime: 29 × 937, the product of two primes.
- 2
27173 is composite. Its prime factorisation is
- 3
The divisors add up to 28140; without 27173 itself that is 967, so 27173 is deficient (967 is less than 27173). Euler's totient φ(27173) = 26208 numbers up to 27173 share no factor with it.
- 4
The digits of 27173 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 77 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27173 = 29 \times 937 \]
27173 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 28140 |
| Euler totient φ(n) | 26208 |
| Square | 738371929 |
| Cube | 20063780426717 |
| Square root | 164.842349 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 77 |
| Scientific notation | 2.7173 × |
27173 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand one hundred and seventy-three |
| Binary (base 2) | 110101000100101 |
| Octal (base 8) | 65045 |
| Hexadecimal (base 16) | 6A25 |
| Base 3 | 1101021102 |
| As time | 27173 seconds = 7 h 32 min 53 s |
Is 27173 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 3) | 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 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 | No (remainder 3) | 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 27173 a prime number?
No. 27173 = 29 × 937, so it is divisible by 29.
What are the factors of 27173?
1, 29, 937, 27173.
What is 27173 in binary?
110101000100101 (hexadecimal 6A25, octal 65045).
What is the square root of 27173?
About 164.8423.
Is 27173 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 27173?
27173 is a semiprime: 29 × 937, the product of two primes.