The number 26242
26242 is a composite number with 4 divisors. Its prime factorisation is 2 × 13121. Divisors (4): 1, 2, 13121, 26242.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 26242: a semiprime: 2 × 13121, the product of two primes.
- 2
26242 is composite. Its prime factorisation is
- 3
The divisors add up to 39366; without 26242 itself that is 13124, so 26242 is deficient (13124 is less than 26242). Euler's totient φ(26242) = 13120 numbers up to 26242 share no factor with it.
- 4
The digits of 26242 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
\[ 26242 = 2 \times 13121 \]
26242 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 39366 |
| Euler totient φ(n) | 13120 |
| Square | 688642564 |
| Cube | 18071358164488 |
| Square root | 161.993827 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 46 |
| Scientific notation | 2.6242 × |
26242 in other forms
| Form | Value |
|---|---|
| In words | twenty-six thousand two hundred and forty-two |
| Binary (base 2) | 110011010000010 |
| Octal (base 8) | 63202 |
| Hexadecimal (base 16) | 6682 |
| Base 3 | 1022222221 |
| As time | 26242 seconds = 7 h 17 min 22 s |
Is 26242 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (26242 ÷ 2 = 13121) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 2) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 26242 a prime number?
No. 26242 = 2 × 13121, so it is divisible by 2.
What are the factors of 26242?
1, 2, 13121, 26242.
What is 26242 in binary?
110011010000010 (hexadecimal 6682, octal 63202).
What is the square root of 26242?
About 161.9938.
Is 26242 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 26242?
26242 is a semiprime: 2 × 13121, the product of two primes.