The number 26411
26411 is a composite number with 10 divisors. Its prime factorisation is × 11. Divisors (10): 1, 7, 11, 49, 77, 343, 539, 2401, 3773, 26411.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
26411 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
26411 is composite. Its prime factorisation is
- 3
The divisors add up to 33612; without 26411 itself that is 7201, so 26411 is deficient (7201 is less than 26411). Euler's totient φ(26411) = 20580 numbers up to 26411 share no factor with it.
- 4
The digits of 26411 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 77 steps to reach 1.
LaTeX source of the formulas on this page
\[ 26411 = 7^{4} \times 11 \]26411 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 10 |
| Sum of divisors | 33612 |
| Euler totient φ(n) | 20580 |
| Square | 697540921 |
| Cube | 18422753264531 |
| Square root | 162.514615 (= 49√11) |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 77 |
| Scientific notation | 2.6411 × |
26411 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand four hundred and eleven |
| Binary (base 2) | 110011100101011 |
| Octal (base 8) | 63453 |
| Hexadecimal (base 16) | 672B |
| Base 3 | 1100020012 |
| As time | 26411 seconds = 7 h 20 min 11 s |
Is 26411 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 1) | 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 | Yes (26411 ÷ 7 = 3773) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (26411 ÷ 11 = 2401) | 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 26411 a prime number?
No. 26411 = × 11, so it is divisible by 7.
What are the factors of 26411?
1, 7, 11, 49, 77, 343, 539, 2401, 3773, 26411.
What is 26411 in binary?
110011100101011 (hexadecimal 672B, octal 63453).
What is the square root of 26411?
About 162.5146, exactly 49√11.
Is 26411 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 26411?
It is a composite number with 10 divisors.