The number 67055
67055 is a composite number with 4 divisors. Its prime factorisation is 5 × 13411. Divisors (4): 1, 5, 13411, 67055.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 67055: a semiprime: 5 × 13411, the product of two primes.
- 2
67055 is composite. Its prime factorisation is
- 3
The divisors add up to 80472; without 67055 itself that is 13417, so 67055 is deficient (13417 is less than 67055). Euler's totient φ(67055) = 53640 numbers up to 67055 share no factor with it.
- 4
The digits of 67055 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 117 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67055 = 5 \times 13411 \]
67055 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 80472 |
| Euler totient φ(n) | 53640 |
| Square | 4496373025 |
| Cube | 301504293191375 |
| Square root | 258.949802 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 117 |
| Scientific notation | 6.7055 × |
67055 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand and fifty-five |
| Binary (base 2) | 10000010111101111 |
| Octal (base 8) | 202757 |
| Hexadecimal (base 16) | 105EF |
| Base 3 | 10101222112 |
| As time | 67055 seconds = 18 h 37 min 35 s |
Is 67055 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (67055 ÷ 5 = 13411) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | 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 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67055 a prime number?
No. 67055 = 5 × 13411, so it is divisible by 5.
What are the factors of 67055?
1, 5, 13411, 67055.
What is 67055 in binary?
10000010111101111 (hexadecimal 105EF, octal 202757).
What is the square root of 67055?
About 258.9498.
Is 67055 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 67055?
67055 is a semiprime: 5 × 13411, the product of two primes.