The number 2426
2426 is a composite number with 4 divisors. Its prime factorisation is 2 × 1213. Divisors (4): 1, 2, 1213, 2426.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 2426: a semiprime: 2 × 1213, the product of two primes.
- 2
2426 is composite. Its prime factorisation is
- 3
The divisors add up to 3642; without 2426 itself that is 1216, so 2426 is deficient (1216 is less than 2426). Euler's totient φ(2426) = 1212 numbers up to 2426 share no factor with it.
- 4
The digits of 2426 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 45 steps to reach 1.
LaTeX source of the formulas on this page
\[ 2426 = 2 \times 1213 \]
2426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 3642 |
| Euler totient φ(n) | 1212 |
| Square | 5885476 |
| Cube | 14278164776 |
| Square root | 49.254441 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 45 |
| Scientific notation | 2.426 × |
2426 in other forms
| Form | Value |
|---|---|
| In words | two thousand four hundred and twenty-six |
| Roman numerals | MMCDXXVI |
| Binary (base 2) | 100101111010 |
| Octal (base 8) | 4572 |
| Hexadecimal (base 16) | 97A |
| Base 3 | 10022212 |
| As time | 2426 seconds = 40 min 26 s |
Is 2426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (2426 ÷ 2 = 1213) | 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 4) | 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 5) | 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 6) | 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 2426 a prime number?
No. 2426 = 2 × 1213, so it is divisible by 2.
What are the factors of 2426?
1, 2, 1213, 2426.
What is 2426 in binary?
100101111010 (hexadecimal 97A, octal 4572).
What is the square root of 2426?
About 49.2544.
What is 2426 in Roman numerals?
MMCDXXVI.
Is 2426 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 2426?
2426 is a semiprime: 2 × 1213, the product of two primes.