The number 26331
26331 is a composite number with 8 divisors. Its prime factorisation is 3 × 67 × 131. Divisors (8): 1, 3, 67, 131, 201, 393, 8777, 26331.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
26331 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
26331 is composite. Its prime factorisation is
- 3
The divisors add up to 35904; without 26331 itself that is 9573, so 26331 is deficient (9573 is less than 26331). Euler's totient φ(26331) = 17160 numbers up to 26331 share no factor with it.
- 4
The digits of 26331 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 170 steps to reach 1.
LaTeX source of the formulas on this page
\[ 26331 = 3 \times 67 \times 131 \]
26331 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 35904 |
| Euler totient φ(n) | 17160 |
| Square | 693321561 |
| Cube | 18255850022691 |
| Square root | 162.268296 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 170 |
| Scientific notation | 2.6331 × |
26331 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand three hundred and thirty-one |
| Binary (base 2) | 110011011011011 |
| Octal (base 8) | 63333 |
| Hexadecimal (base 16) | 66DB |
| Base 3 | 1100010020 |
| As time | 26331 seconds = 7 h 18 min 51 s |
Is 26331 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 | Yes (26331 ÷ 3 = 8777) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 6) | 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 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 26331 a prime number?
No. 26331 = 3 × 67 × 131, so it is divisible by 3.
What are the factors of 26331?
1, 3, 67, 131, 201, 393, 8777, 26331.
What is 26331 in binary?
110011011011011 (hexadecimal 66DB, octal 63333).
What is the square root of 26331?
About 162.2683.
Is 26331 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 26331?
It is a composite number with 8 divisors.