The number 55133
55133 is a composite number with 4 divisors. Its prime factorisation is 13 × 4241. Divisors (4): 1, 13, 4241, 55133.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55133: a semiprime: 13 × 4241, the product of two primes.
- 2
55133 is composite. Its prime factorisation is
- 3
The divisors add up to 59388; without 55133 itself that is 4255, so 55133 is deficient (4255 is less than 55133). Euler's totient φ(55133) = 50880 numbers up to 55133 share no factor with it.
- 4
The digits of 55133 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55133 = 13 \times 4241 \]
55133 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 59388 |
| Euler totient φ(n) | 50880 |
| Square | 3039647689 |
| Cube | 167584896037637 |
| Square root | 234.804174 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5133 × |
55133 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand one hundred and thirty-three |
| Binary (base 2) | 1101011101011101 |
| Octal (base 8) | 153535 |
| Hexadecimal (base 16) | D75D |
| Base 3 | 2210121222 |
| As time | 55133 seconds = 15 h 18 min 53 s |
Is 55133 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 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55133 a prime number?
No. 55133 = 13 × 4241, so it is divisible by 13.
What are the factors of 55133?
1, 13, 4241, 55133.
What is 55133 in binary?
1101011101011101 (hexadecimal D75D, octal 153535).
What is the square root of 55133?
About 234.8042.
Is 55133 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 55133?
55133 is a semiprime: 13 × 4241, the product of two primes.