The number 42833
42833 is a composite number with 8 divisors. Its prime factorisation is 7 × 29 × 211. Divisors (8): 1, 7, 29, 203, 211, 1477, 6119, 42833.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42833 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42833 is composite. Its prime factorisation is
- 3
The divisors add up to 50880; without 42833 itself that is 8047, so 42833 is deficient (8047 is less than 42833). Euler's totient φ(42833) = 35280 numbers up to 42833 share no factor with it.
- 4
The digits of 42833 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 49 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42833 = 7 \times 29 \times 211 \]
42833 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 50880 |
| Euler totient φ(n) | 35280 |
| Square | 1834665889 |
| Cube | 78584244023537 |
| Square root | 206.961349 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 49 |
| Scientific notation | 4.2833 × |
42833 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand eight hundred and thirty-three |
| Binary (base 2) | 1010011101010001 |
| Octal (base 8) | 123521 |
| Hexadecimal (base 16) | A751 |
| Base 3 | 2011202102 |
| As time | 42833 seconds = 11 h 53 min 53 s |
Is 42833 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 (42833 ÷ 7 = 6119) | 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 1) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 42833 a prime number?
No. 42833 = 7 × 29 × 211, so it is divisible by 7.
What are the factors of 42833?
1, 7, 29, 203, 211, 1477, 6119, 42833.
What is 42833 in binary?
1010011101010001 (hexadecimal A751, octal 123521).
What is the square root of 42833?
About 206.9613.
Is 42833 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 42833?
It is a composite number with 8 divisors.