The number 80041
80041 is a composite number with 8 divisors. Its prime factorisation is 13 × 47 × 131. Divisors (8): 1, 13, 47, 131, 611, 1703, 6157, 80041.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 80041: a Harshad number: divisible by its digit sum 13.
- 2
80041 is composite. Its prime factorisation is
- 3
The divisors add up to 88704; without 80041 itself that is 8663, so 80041 is deficient (8663 is less than 80041). Euler's totient φ(80041) = 71760 numbers up to 80041 share no factor with it.
- 4
The digits of 80041 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 120 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80041 = 13 \times 47 \times 131 \]
80041 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 88704 |
| Euler totient φ(n) | 71760 |
| Square | 6406561681 |
| Cube | 512787603508921 |
| Square root | 282.915182 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 120 |
| Scientific notation | 8.0041 × |
80041 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand and forty-one |
| Binary (base 2) | 10011100010101001 |
| Octal (base 8) | 234251 |
| Hexadecimal (base 16) | 138A9 |
| Base 3 | 11001210111 |
| As time | 80041 seconds = 22 h 14 min 1 s |
Is 80041 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80041 a prime number?
No. 80041 = 13 × 47 × 131, so it is divisible by 13.
What are the factors of 80041?
1, 13, 47, 131, 611, 1703, 6157, 80041.
What is 80041 in binary?
10011100010101001 (hexadecimal 138A9, octal 234251).
What is the square root of 80041?
About 282.9152.
Is 80041 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 80041?
80041 is a Harshad number: divisible by its digit sum 13.