The number 80199
80199 is a composite number with 24 divisors. Its prime factorisation is × 7 × 19 × 67. Divisors (24): 1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 399, 469, 603, 1197 … 80199.
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How to work it out
- 1
80199 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80199 is composite. Its prime factorisation is
- 3
The divisors add up to 141440; without 80199 itself that is 61241, so 80199 is deficient (61241 is less than 80199). Euler's totient φ(80199) = 42768 numbers up to 80199 share no factor with it.
- 4
The digits of 80199 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 125 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80199 = 3^{2} \times 7 \times 19 \times 67 \]80199 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 141440 |
| Euler totient φ(n) | 42768 |
| Square | 6431879601 |
| Cube | 515830312120599 |
| Square root | 283.194280 (= 3√8911) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 125 |
| Scientific notation | 8.0199 × |
80199 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand one hundred and ninety-nine |
| Binary (base 2) | 10011100101000111 |
| Octal (base 8) | 234507 |
| Hexadecimal (base 16) | 13947 |
| Base 3 | 11002000100 |
| As time | 80199 seconds = 22 h 16 min 39 s |
Is 80199 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 (80199 ÷ 3 = 26733) | 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 4) | 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 | Yes (80199 ÷ 7 = 11457) | 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 | Yes (80199 ÷ 9 = 8911) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80199 a prime number?
No. 80199 = × 7 × 19 × 67, so it is divisible by 3.
What are the factors of 80199?
1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 399, 469, 603, 1197, 1273, 1407, 3819, 4221, 8911, 11457, 26733, 80199.
What is 80199 in binary?
10011100101000111 (hexadecimal 13947, octal 234507).
What is the square root of 80199?
About 283.1943, exactly 3√8911.
Is 80199 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 80199?
It is a composite number with 24 divisors.