The number 71343
71343 is a composite number with 6 divisors. Its prime factorisation is × 7927. Divisors (6): 1, 3, 9, 7927, 23781, 71343.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
71343 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
71343 is composite. Its prime factorisation is
- 3
The divisors add up to 103064; without 71343 itself that is 31721, so 71343 is deficient (31721 is less than 71343). Euler's totient φ(71343) = 47556 numbers up to 71343 share no factor with it.
- 4
The digits of 71343 add up to 18, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 218 steps to reach 1.
LaTeX source of the formulas on this page
\[ 71343 = 3^{2} \times 7927 \]71343 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 103064 |
| Euler totient φ(n) | 47556 |
| Square | 5089823649 |
| Cube | 363123288590607 |
| Square root | 267.101104 (= 3√7927) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 218 |
| Scientific notation | 7.1343 × |
71343 in other forms
| Form | Value |
|---|---|
| In words | seventy-one thousand three hundred and forty-three |
| Binary (base 2) | 10001011010101111 |
| Octal (base 8) | 213257 |
| Hexadecimal (base 16) | 116AF |
| Base 3 | 10121212100 |
| As time | 71343 seconds = 19 h 49 min 3 s |
Is 71343 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 (71343 ÷ 3 = 23781) | 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 6) | 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 | Yes (71343 ÷ 9 = 7927) | 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 8) | 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 71343 a prime number?
No. 71343 = × 7927, so it is divisible by 3.
What are the factors of 71343?
1, 3, 9, 7927, 23781, 71343.
What is 71343 in binary?
10001011010101111 (hexadecimal 116AF, octal 213257).
What is the square root of 71343?
About 267.1011, exactly 3√7927.
Is 71343 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 71343?
It is a composite number with 6 divisors.