The number 26413
26413 is a composite number with 4 divisors. Its prime factorisation is 61 × 433. Divisors (4): 1, 61, 433, 26413.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 26413: a semiprime: 61 × 433, the product of two primes.
- 2
26413 is composite. Its prime factorisation is
- 3
The divisors add up to 26908; without 26413 itself that is 495, so 26413 is deficient (495 is less than 26413). Euler's totient φ(26413) = 25920 numbers up to 26413 share no factor with it.
- 4
The digits of 26413 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 46 steps to reach 1.
LaTeX source of the formulas on this page
\[ 26413 = 61 \times 433 \]
26413 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 26908 |
| Euler totient φ(n) | 25920 |
| Square | 697646569 |
| Cube | 18426938826997 |
| Square root | 162.520768 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 46 |
| Scientific notation | 2.6413 × |
26413 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand four hundred and thirteen |
| Binary (base 2) | 110011100101101 |
| Octal (base 8) | 63455 |
| Hexadecimal (base 16) | 672D |
| Base 3 | 1100020021 |
| As time | 26413 seconds = 7 h 20 min 13 s |
Is 26413 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 26413 a prime number?
No. 26413 = 61 × 433, so it is divisible by 61.
What are the factors of 26413?
1, 61, 433, 26413.
What is 26413 in binary?
110011100101101 (hexadecimal 672D, octal 63455).
What is the square root of 26413?
About 162.5208.
Is 26413 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 26413?
26413 is a semiprime: 61 × 433, the product of two primes.