The number 43143
43143 is a composite number with 8 divisors. Its prime factorisation is 3 × 73 × 197. Divisors (8): 1, 3, 73, 197, 219, 591, 14381, 43143.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
43143 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
43143 is composite. Its prime factorisation is
- 3
The divisors add up to 58608; without 43143 itself that is 15465, so 43143 is deficient (15465 is less than 43143). Euler's totient φ(43143) = 28224 numbers up to 43143 share no factor with it.
- 4
The digits of 43143 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 132 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43143 = 3 \times 73 \times 197 \]
43143 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 58608 |
| Euler totient φ(n) | 28224 |
| Square | 1861318449 |
| Cube | 80302861845207 |
| Square root | 207.708931 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 132 |
| Scientific notation | 4.3143 × |
43143 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand one hundred and forty-three |
| Binary (base 2) | 1010100010000111 |
| Octal (base 8) | 124207 |
| Hexadecimal (base 16) | A887 |
| Base 3 | 2012011220 |
| As time | 43143 seconds = 11 h 59 min 3 s |
Is 43143 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 | Yes (43143 ÷ 3 = 14381) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 6) | 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 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 43143 a prime number?
No. 43143 = 3 × 73 × 197, so it is divisible by 3.
What are the factors of 43143?
1, 3, 73, 197, 219, 591, 14381, 43143.
What is 43143 in binary?
1010100010000111 (hexadecimal A887, octal 124207).
What is the square root of 43143?
About 207.7089.
Is 43143 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 43143?
It is a composite number with 8 divisors.