The number 43303
43303 is a composite number with 4 divisors. Its prime factorisation is 13 × 3331. Divisors (4): 1, 13, 3331, 43303.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 43303: a Harshad number: divisible by its digit sum 13; a semiprime: 13 × 3331, the product of two primes.
- 2
43303 is composite. Its prime factorisation is
- 3
The divisors add up to 46648; without 43303 itself that is 3345, so 43303 is deficient (3345 is less than 43303). Euler's totient φ(43303) = 39960 numbers up to 43303 share no factor with it.
- 4
The digits of 43303 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 88 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43303 = 13 \times 3331 \]
43303 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 46648 |
| Euler totient φ(n) | 39960 |
| Square | 1875149809 |
| Cube | 81199612179127 |
| Square root | 208.093729 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 88 |
| Scientific notation | 4.3303 × |
43303 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand three hundred and three |
| Binary (base 2) | 1010100100100111 |
| Octal (base 8) | 124447 |
| Hexadecimal (base 16) | A927 |
| Base 3 | 2012101211 |
| As time | 43303 seconds = 12 h 1 min 43 s |
Is 43303 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 3) | 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 1) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 43303 a prime number?
No. 43303 = 13 × 3331, so it is divisible by 13.
What are the factors of 43303?
1, 13, 3331, 43303.
What is 43303 in binary?
1010100100100111 (hexadecimal A927, octal 124447).
What is the square root of 43303?
About 208.0937.
Is 43303 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 43303?
43303 is a Harshad number: divisible by its digit sum 13; a semiprime: 13 × 3331, the product of two primes.