The number 17426
17426 is a composite number with 4 divisors. Its prime factorisation is 2 × 8713. Divisors (4): 1, 2, 8713, 17426.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 17426: a semiprime: 2 × 8713, the product of two primes.
- 2
17426 is composite. Its prime factorisation is
- 3
The divisors add up to 26142; without 17426 itself that is 8716, so 17426 is deficient (8716 is less than 17426). Euler's totient φ(17426) = 8712 numbers up to 17426 share no factor with it.
- 4
The digits of 17426 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 141 steps to reach 1.
LaTeX source of the formulas on this page
\[ 17426 = 2 \times 8713 \]
17426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 26142 |
| Euler totient φ(n) | 8712 |
| Square | 303665476 |
| Cube | 5291674584776 |
| Square root | 132.007576 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 141 |
| Scientific notation | 1.7426 × |
17426 in other forms
| Form | Value |
|---|---|
| In words | seventeen thousand four hundred and twenty-six |
| Binary (base 2) | 100010000010010 |
| Octal (base 8) | 42022 |
| Hexadecimal (base 16) | 4412 |
| Base 3 | 212220102 |
| As time | 17426 seconds = 4 h 50 min 26 s |
Is 17426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (17426 ÷ 2 = 8713) | 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 2) | 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 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 17426 a prime number?
No. 17426 = 2 × 8713, so it is divisible by 2.
What are the factors of 17426?
1, 2, 8713, 17426.
What is 17426 in binary?
100010000010010 (hexadecimal 4412, octal 42022).
What is the square root of 17426?
About 132.0076.
Is 17426 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 17426?
17426 is a semiprime: 2 × 8713, the product of two primes.