The number 26455
26455 is a composite number with 16 divisors. Its prime factorisation is 5 × 11 × 13 × 37. Divisors (16): 1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 715, 2035, 2405, 5291, 26455.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
26455 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
26455 is composite. Its prime factorisation is
- 3
The divisors add up to 38304; without 26455 itself that is 11849, so 26455 is deficient (11849 is less than 26455). Euler's totient φ(26455) = 17280 numbers up to 26455 share no factor with it.
- 4
The digits of 26455 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 51 steps to reach 1.
LaTeX source of the formulas on this page
\[ 26455 = 5 \times 11 \times 13 \times 37 \]
26455 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 38304 |
| Euler totient φ(n) | 17280 |
| Square | 699867025 |
| Cube | 18514982146375 |
| Square root | 162.649931 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 51 |
| Scientific notation | 2.6455 × |
26455 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand four hundred and fifty-five |
| Binary (base 2) | 110011101010111 |
| Octal (base 8) | 63527 |
| Hexadecimal (base 16) | 6757 |
| Base 3 | 1100021211 |
| As time | 26455 seconds = 7 h 20 min 55 s |
Is 26455 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 1) | 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 (26455 ÷ 5 = 5291) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 4) | 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 | Yes (26455 ÷ 11 = 2405) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 26455 a prime number?
No. 26455 = 5 × 11 × 13 × 37, so it is divisible by 5.
What are the factors of 26455?
1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 715, 2035, 2405, 5291, 26455.
What is 26455 in binary?
110011101010111 (hexadecimal 6757, octal 63527).
What is the square root of 26455?
About 162.6499.
Is 26455 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 26455?
It is a composite number with 16 divisors.