The number 26241
26241 is a composite number with 4 divisors. Its prime factorisation is 3 × 8747. Divisors (4): 1, 3, 8747, 26241.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 26241: a semiprime: 3 × 8747, the product of two primes.
- 2
26241 is composite. Its prime factorisation is
- 3
The divisors add up to 34992; without 26241 itself that is 8751, so 26241 is deficient (8751 is less than 26241). Euler's totient φ(26241) = 17492 numbers up to 26241 share no factor with it.
- 4
The digits of 26241 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 139 steps to reach 1.
LaTeX source of the formulas on this page
\[ 26241 = 3 \times 8747 \]
26241 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 34992 |
| Euler totient φ(n) | 17492 |
| Square | 688590081 |
| Cube | 18069292315521 |
| Square root | 161.990740 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 139 |
| Scientific notation | 2.6241 × |
26241 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand two hundred and forty-one |
| Binary (base 2) | 110011010000001 |
| Octal (base 8) | 63201 |
| Hexadecimal (base 16) | 6681 |
| Base 3 | 1022222220 |
| As time | 26241 seconds = 7 h 17 min 21 s |
Is 26241 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 (26241 ÷ 3 = 8747) | 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 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 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 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 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 26241 a prime number?
No. 26241 = 3 × 8747, so it is divisible by 3.
What are the factors of 26241?
1, 3, 8747, 26241.
What is 26241 in binary?
110011010000001 (hexadecimal 6681, octal 63201).
What is the square root of 26241?
About 161.9907.
Is 26241 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 26241?
26241 is a semiprime: 3 × 8747, the product of two primes.