The number 52143
52143 is a composite number with 16 divisors. Its prime factorisation is 3 × 7 × 13 × 191. Divisors (16): 1, 3, 7, 13, 21, 39, 91, 191, 273, 573, 1337, 2483, 4011, 7449, 17381, 52143.
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How to work it out
- 1
52143 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
52143 is composite. Its prime factorisation is
- 3
The divisors add up to 86016; without 52143 itself that is 33873, so 52143 is deficient (33873 is less than 52143). Euler's totient φ(52143) = 27360 numbers up to 52143 share no factor with it.
- 4
The digits of 52143 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 78 steps to reach 1.
LaTeX source of the formulas on this page
\[ 52143 = 3 \times 7 \times 13 \times 191 \]
52143 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 86016 |
| Euler totient φ(n) | 27360 |
| Square | 2718892449 |
| Cube | 141771208968207 |
| Square root | 228.348418 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 78 |
| Scientific notation | 5.2143 × |
52143 in other forms
| Form | Value |
|---|---|
| In words | fifty-two thousand one hundred and forty-three |
| Binary (base 2) | 1100101110101111 |
| Octal (base 8) | 145657 |
| Hexadecimal (base 16) | CBAF |
| Base 3 | 2122112020 |
| As time | 52143 seconds = 14 h 29 min 3 s |
Is 52143 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 (52143 ÷ 3 = 17381) | 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 | Yes (52143 ÷ 7 = 7449) | 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 3) | 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 52143 a prime number?
No. 52143 = 3 × 7 × 13 × 191, so it is divisible by 3.
What are the factors of 52143?
1, 3, 7, 13, 21, 39, 91, 191, 273, 573, 1337, 2483, 4011, 7449, 17381, 52143.
What is 52143 in binary?
1100101110101111 (hexadecimal CBAF, octal 145657).
What is the square root of 52143?
About 228.3484.
Is 52143 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 52143?
It is a composite number with 16 divisors.