The number 42733
42733 is a composite number with 4 divisors. Its prime factorisation is 151 × 283. Divisors (4): 1, 151, 283, 42733.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 42733: a semiprime: 151 × 283, the product of two primes.
- 2
42733 is composite. Its prime factorisation is
- 3
The divisors add up to 43168; without 42733 itself that is 435, so 42733 is deficient (435 is less than 42733). Euler's totient φ(42733) = 42300 numbers up to 42733 share no factor with it.
- 4
The digits of 42733 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 101 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42733 = 151 \times 283 \]
42733 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 43168 |
| Euler totient φ(n) | 42300 |
| Square | 1826109289 |
| Cube | 78035128246837 |
| Square root | 206.719617 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 101 |
| Scientific notation | 4.2733 × |
42733 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand seven hundred and thirty-three |
| Binary (base 2) | 1010011011101101 |
| Octal (base 8) | 123355 |
| Hexadecimal (base 16) | A6ED |
| Base 3 | 2011121201 |
| As time | 42733 seconds = 11 h 52 min 13 s |
Is 42733 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 1) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 1) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42733 a prime number?
No. 42733 = 151 × 283, so it is divisible by 151.
What are the factors of 42733?
1, 151, 283, 42733.
What is 42733 in binary?
1010011011101101 (hexadecimal A6ED, octal 123355).
What is the square root of 42733?
About 206.7196.
Is 42733 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 42733?
42733 is a semiprime: 151 × 283, the product of two primes.