The number 33163
33163 is a composite number with 4 divisors. Its prime factorisation is 13 × 2551. Divisors (4): 1, 13, 2551, 33163.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 33163: a semiprime: 13 × 2551, the product of two primes.
- 2
33163 is composite. Its prime factorisation is
- 3
The divisors add up to 35728; without 33163 itself that is 2565, so 33163 is deficient (2565 is less than 33163). Euler's totient φ(33163) = 30600 numbers up to 33163 share no factor with it.
- 4
The digits of 33163 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 98 steps to reach 1.
LaTeX source of the formulas on this page
\[ 33163 = 13 \times 2551 \]
33163 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 35728 |
| Euler totient φ(n) | 30600 |
| Square | 1099784569 |
| Cube | 36472155661747 |
| Square root | 182.107111 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 98 |
| Scientific notation | 3.3163 × |
33163 in other forms
| Form | Value |
|---|---|
| In words | thirty-three thousand one hundred and sixty-three |
| Binary (base 2) | 1000000110001011 |
| Octal (base 8) | 100613 |
| Hexadecimal (base 16) | 818B |
| Base 3 | 1200111021 |
| As time | 33163 seconds = 9 h 12 min 43 s |
Is 33163 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 3) | 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 9) | 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 33163 a prime number?
No. 33163 = 13 × 2551, so it is divisible by 13.
What are the factors of 33163?
1, 13, 2551, 33163.
What is 33163 in binary?
1000000110001011 (hexadecimal 818B, octal 100613).
What is the square root of 33163?
About 182.1071.
Is 33163 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 33163?
33163 is a semiprime: 13 × 2551, the product of two primes.