The number 62143
62143 is a twin prime (62141 and 62143 are both prime) and the 6248th prime number. Its only divisors are 1 and 62143.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 62143: a twin prime (62141 and 62143 are both prime); the 6248th prime number.
- 2
62143 is prime, so its only factors are 1 and 62143. It is the 6248th prime; the next prime is 62171 and the one before is 62141.
- 3
The divisors add up to 62144; without 62143 itself that is 1, so 62143 is deficient (1 is less than 62143). Euler's totient φ(62143) = 62142 numbers up to 62143 share no factor with it.
- 4
The digits of 62143 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 117 steps to reach 1.
62143 at a glance
| Property | Value |
|---|---|
| Type | prime |
| Number of divisors | 2 |
| Sum of divisors | 62144 |
| Euler totient φ(n) | 62142 |
| Square | 3861752449 |
| Cube | 239980882438207 |
| Square root | 249.284977 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 117 |
| Scientific notation | 6.2143 × |
62143 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand one hundred and forty-three |
| Binary (base 2) | 1111001010111111 |
| Octal (base 8) | 171277 |
| Hexadecimal (base 16) | F2BF |
| Base 3 | 10011020121 |
| As time | 62143 seconds = 17 h 15 min 43 s |
Is 62143 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 4) | 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 7) | 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 4) | 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 62143 a prime number?
Yes. 62143 is divisible only by 1 and itself.
What are the factors of 62143?
1, 62143.
What is 62143 in binary?
1111001010111111 (hexadecimal F2BF, octal 171277).
What is the square root of 62143?
About 249.2850.
Is 62143 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 62143?
62143 is a twin prime (62141 and 62143 are both prime); the 6248th prime number.