The number 80377
80377 is a composite number with 4 divisors. Its prime factorisation is 11 × 7307. Divisors (4): 1, 11, 7307, 80377.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 80377: a semiprime: 11 × 7307, the product of two primes.
- 2
80377 is composite. Its prime factorisation is
- 3
The divisors add up to 87696; without 80377 itself that is 7319, so 80377 is deficient (7319 is less than 80377). Euler's totient φ(80377) = 73060 numbers up to 80377 share no factor with it.
- 4
The digits of 80377 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 68 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80377 = 11 \times 7307 \]
80377 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 87696 |
| Euler totient φ(n) | 73060 |
| Square | 6460462129 |
| Cube | 519272564542633 |
| Square root | 283.508377 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 68 |
| Scientific notation | 8.0377 × |
80377 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand three hundred and seventy-seven |
| Binary (base 2) | 10011100111111001 |
| Octal (base 8) | 234771 |
| Hexadecimal (base 16) | 139F9 |
| Base 3 | 11002020221 |
| As time | 80377 seconds = 22 h 19 min 37 s |
Is 80377 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 2) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (80377 ÷ 11 = 7307) | 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 80377 a prime number?
No. 80377 = 11 × 7307, so it is divisible by 11.
What are the factors of 80377?
1, 11, 7307, 80377.
What is 80377 in binary?
10011100111111001 (hexadecimal 139F9, octal 234771).
What is the square root of 80377?
About 283.5084.
Is 80377 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 80377?
80377 is a semiprime: 11 × 7307, the product of two primes.