The number 42346
42346 is a composite number with 8 divisors. Its prime factorisation is 2 × 31 × 683. Divisors (8): 1, 2, 31, 62, 683, 1366, 21173, 42346.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42346 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42346 is composite. Its prime factorisation is
- 3
The divisors add up to 65664; without 42346 itself that is 23318, so 42346 is deficient (23318 is less than 42346). Euler's totient φ(42346) = 20460 numbers up to 42346 share no factor with it.
- 4
The digits of 42346 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42346 = 2 \times 31 \times 683 \]
42346 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 65664 |
| Euler totient φ(n) | 20460 |
| Square | 1793183716 |
| Cube | 75934157637736 |
| Square root | 205.781437 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 57 |
| Scientific notation | 4.2346 × |
42346 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand three hundred and forty-six |
| Binary (base 2) | 1010010101101010 |
| Octal (base 8) | 122552 |
| Hexadecimal (base 16) | A56A |
| Base 3 | 2011002101 |
| As time | 42346 seconds = 11 h 45 min 46 s |
Is 42346 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42346 ÷ 2 = 21173) | 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 1) | 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 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 1) | 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 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 42346 a prime number?
No. 42346 = 2 × 31 × 683, so it is divisible by 2.
What are the factors of 42346?
1, 2, 31, 62, 683, 1366, 21173, 42346.
What is 42346 in binary?
1010010101101010 (hexadecimal A56A, octal 122552).
What is the square root of 42346?
About 205.7814.
Is 42346 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 42346?
It is a composite number with 8 divisors.