The number 26867
26867 is a composite number with 4 divisors. Its prime factorisation is 67 × 401. Divisors (4): 1, 67, 401, 26867.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 26867: a semiprime: 67 × 401, the product of two primes.
- 2
26867 is composite. Its prime factorisation is
- 3
The divisors add up to 27336; without 26867 itself that is 469, so 26867 is deficient (469 is less than 26867). Euler's totient φ(26867) = 26400 numbers up to 26867 share no factor with it.
- 4
The digits of 26867 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 95 steps to reach 1.
LaTeX source of the formulas on this page
\[ 26867 = 67 \times 401 \]
26867 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 27336 |
| Euler totient φ(n) | 26400 |
| Square | 721835689 |
| Cube | 19393559456363 |
| Square root | 163.911562 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 95 |
| Scientific notation | 2.6867 × |
26867 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand eight hundred and sixty-seven |
| Binary (base 2) | 110100011110011 |
| Octal (base 8) | 64363 |
| Hexadecimal (base 16) | 68F3 |
| Base 3 | 1100212002 |
| As time | 26867 seconds = 7 h 27 min 47 s |
Is 26867 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 | 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 1) | 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 3) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | 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 26867 a prime number?
No. 26867 = 67 × 401, so it is divisible by 67.
What are the factors of 26867?
1, 67, 401, 26867.
What is 26867 in binary?
110100011110011 (hexadecimal 68F3, octal 64363).
What is the square root of 26867?
About 163.9116.
Is 26867 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 26867?
26867 is a semiprime: 67 × 401, the product of two primes.