The number 83555
83555 is a composite number with 8 divisors. Its prime factorisation is 5 × 17 × 983. Divisors (8): 1, 5, 17, 85, 983, 4915, 16711, 83555.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
83555 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
83555 is composite. Its prime factorisation is
- 3
The divisors add up to 106272; without 83555 itself that is 22717, so 83555 is deficient (22717 is less than 83555). Euler's totient φ(83555) = 62848 numbers up to 83555 share no factor with it.
- 4
The digits of 83555 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 63 steps to reach 1.
LaTeX source of the formulas on this page
\[ 83555 = 5 \times 17 \times 983 \]
83555 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 106272 |
| Euler totient φ(n) | 62848 |
| Square | 6981438025 |
| Cube | 583334054178875 |
| Square root | 289.058818 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 63 |
| Scientific notation | 8.3555 × |
83555 in other forms
| Form | Value |
|---|---|
| In words | eighty-three thousand five hundred and fifty-five |
| Binary (base 2) | 10100011001100011 |
| Octal (base 8) | 243143 |
| Hexadecimal (base 16) | 14663 |
| Base 3 | 11020121122 |
| As time | 83555 seconds = 23 h 12 min 35 s |
Is 83555 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (83555 ÷ 5 = 16711) | 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 3) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 83555 a prime number?
No. 83555 = 5 × 17 × 983, so it is divisible by 5.
What are the factors of 83555?
1, 5, 17, 85, 983, 4915, 16711, 83555.
What is 83555 in binary?
10100011001100011 (hexadecimal 14663, octal 243143).
What is the square root of 83555?
About 289.0588.
Is 83555 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 83555?
It is a composite number with 8 divisors.