The number 80835
80835 is a composite number with 16 divisors. Its prime factorisation is 3 × 5 × 17 × 317. Divisors (16): 1, 3, 5, 15, 17, 51, 85, 255, 317, 951, 1585, 4755, 5389, 16167, 26945, 80835.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
80835 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80835 is composite. Its prime factorisation is
- 3
The divisors add up to 137376; without 80835 itself that is 56541, so 80835 is deficient (56541 is less than 80835). Euler's totient φ(80835) = 40448 numbers up to 80835 share no factor with it.
- 4
The digits of 80835 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 151 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80835 = 3 \times 5 \times 17 \times 317 \]
80835 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 137376 |
| Euler totient φ(n) | 40448 |
| Square | 6534297225 |
| Cube | 528199916182875 |
| Square root | 284.314966 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 151 |
| Scientific notation | 8.0835 × |
80835 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand eight hundred and thirty-five |
| Binary (base 2) | 10011101111000011 |
| Octal (base 8) | 235703 |
| Hexadecimal (base 16) | 13BC3 |
| Base 3 | 11002212220 |
| As time | 80835 seconds = 22 h 27 min 15 s |
Is 80835 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 (80835 ÷ 3 = 26945) | 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 (80835 ÷ 5 = 16167) | 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 | No (remainder 6) | 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 6) | 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 7) | 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 80835 a prime number?
No. 80835 = 3 × 5 × 17 × 317, so it is divisible by 3.
What are the factors of 80835?
1, 3, 5, 15, 17, 51, 85, 255, 317, 951, 1585, 4755, 5389, 16167, 26945, 80835.
What is 80835 in binary?
10011101111000011 (hexadecimal 13BC3, octal 235703).
What is the square root of 80835?
About 284.3150.
Is 80835 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 80835?
It is a composite number with 16 divisors.