The number 26465
26465 is a composite number with 8 divisors. Its prime factorisation is 5 × 67 × 79. Divisors (8): 1, 5, 67, 79, 335, 395, 5293, 26465.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
26465 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
26465 is composite. Its prime factorisation is
- 3
The divisors add up to 32640; without 26465 itself that is 6175, so 26465 is deficient (6175 is less than 26465). Euler's totient φ(26465) = 20592 numbers up to 26465 share no factor with it.
- 4
The digits of 26465 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 51 steps to reach 1.
LaTeX source of the formulas on this page
\[ 26465 = 5 \times 67 \times 79 \]
26465 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 32640 |
| Euler totient φ(n) | 20592 |
| Square | 700396225 |
| Cube | 18535986094625 |
| Square root | 162.680669 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 51 |
| Scientific notation | 2.6465 × |
26465 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand four hundred and sixty-five |
| Binary (base 2) | 110011101100001 |
| Octal (base 8) | 63541 |
| Hexadecimal (base 16) | 6761 |
| Base 3 | 1100022012 |
| As time | 26465 seconds = 7 h 21 min 5 s |
Is 26465 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 | Yes (26465 ÷ 5 = 5293) | 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 5) | 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 1) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 26465 a prime number?
No. 26465 = 5 × 67 × 79, so it is divisible by 5.
What are the factors of 26465?
1, 5, 67, 79, 335, 395, 5293, 26465.
What is 26465 in binary?
110011101100001 (hexadecimal 6761, octal 63541).
What is the square root of 26465?
About 162.6807.
Is 26465 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 26465?
It is a composite number with 8 divisors.