The number 42413
42413 is a composite number with 8 divisors. Its prime factorisation is 7 × 73 × 83. Divisors (8): 1, 7, 73, 83, 511, 581, 6059, 42413.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42413 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42413 is composite. Its prime factorisation is
- 3
The divisors add up to 49728; without 42413 itself that is 7315, so 42413 is deficient (7315 is less than 42413). Euler's totient φ(42413) = 35424 numbers up to 42413 share no factor with it.
- 4
The digits of 42413 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 106 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42413 = 7 \times 73 \times 83 \]
42413 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 49728 |
| Euler totient φ(n) | 35424 |
| Square | 1798862569 |
| Cube | 76295158138997 |
| Square root | 205.944167 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 106 |
| Scientific notation | 4.2413 × |
42413 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand four hundred and thirteen |
| Binary (base 2) | 1010010110101101 |
| Octal (base 8) | 122655 |
| Hexadecimal (base 16) | A5AD |
| Base 3 | 2011011212 |
| As time | 42413 seconds = 11 h 46 min 53 s |
Is 42413 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 | No (remainder 2) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (42413 ÷ 7 = 6059) | 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 5) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42413 a prime number?
No. 42413 = 7 × 73 × 83, so it is divisible by 7.
What are the factors of 42413?
1, 7, 73, 83, 511, 581, 6059, 42413.
What is 42413 in binary?
1010010110101101 (hexadecimal A5AD, octal 122655).
What is the square root of 42413?
About 205.9442.
Is 42413 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 42413?
It is a composite number with 8 divisors.