The number 5426
5426 is a composite number with 4 divisors. Its prime factorisation is 2 × 2713. Divisors (4): 1, 2, 2713, 5426.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 5426: a semiprime: 2 × 2713, the product of two primes.
- 2
5426 is composite. Its prime factorisation is
- 3
The divisors add up to 8142; without 5426 itself that is 2716, so 5426 is deficient (2716 is less than 5426). Euler's totient φ(5426) = 2712 numbers up to 5426 share no factor with it.
- 4
The digits of 5426 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 160 steps to reach 1.
LaTeX source of the formulas on this page
\[ 5426 = 2 \times 2713 \]
5426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 8142 |
| Euler totient φ(n) | 2712 |
| Square | 29441476 |
| Cube | 159749448776 |
| Square root | 73.661387 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 160 |
| Scientific notation | 5.426 × |
5426 in other forms
| Form | Value |
|---|---|
| In words | five thousand four hundred and twenty-six |
| Binary (base 2) | 1010100110010 |
| Octal (base 8) | 12462 |
| Hexadecimal (base 16) | 1532 |
| Base 3 | 21102222 |
| As time | 5426 seconds = 1 h 30 min 26 s |
Is 5426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (5426 ÷ 2 = 2713) | 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 1) | 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 8) | 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 3) | 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 5426 a prime number?
No. 5426 = 2 × 2713, so it is divisible by 2.
What are the factors of 5426?
1, 2, 2713, 5426.
What is 5426 in binary?
1010100110010 (hexadecimal 1532, octal 12462).
What is the square root of 5426?
About 73.6614.
Is 5426 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 5426?
5426 is a semiprime: 2 × 2713, the product of two primes.