The number 76727
76727 is a composite number with 8 divisors. Its prime factorisation is 7 × 97 × 113. Divisors (8): 1, 7, 97, 113, 679, 791, 10961, 76727.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
76727 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
76727 is composite. Its prime factorisation is
- 3
The divisors add up to 89376; without 76727 itself that is 12649, so 76727 is deficient (12649 is less than 76727). Euler's totient φ(76727) = 64512 numbers up to 76727 share no factor with it.
- 4
The digits of 76727 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 76 steps to reach 1.
LaTeX source of the formulas on this page
\[ 76727 = 7 \times 97 \times 113 \]
76727 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 89376 |
| Euler totient φ(n) | 64512 |
| Square | 5887032529 |
| Cube | 451694344852583 |
| Square root | 276.996390 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 76 |
| Scientific notation | 7.6727 × |
76727 in other forms
| Form | Value |
|---|---|
| In words | seventy-six thousand seven hundred and twenty-seven |
| Binary (base 2) | 10010101110110111 |
| Octal (base 8) | 225667 |
| Hexadecimal (base 16) | 12BB7 |
| Base 3 | 10220020202 |
| As time | 76727 seconds = 21 h 18 min 47 s |
Is 76727 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 | No (remainder 2) | 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 | Yes (76727 ÷ 7 = 10961) | 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 | No (remainder 2) | 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 | No (remainder 2) | 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 76727 a prime number?
No. 76727 = 7 × 97 × 113, so it is divisible by 7.
What are the factors of 76727?
1, 7, 97, 113, 679, 791, 10961, 76727.
What is 76727 in binary?
10010101110110111 (hexadecimal 12BB7, octal 225667).
What is the square root of 76727?
About 276.9964.
Is 76727 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 76727?
It is a composite number with 8 divisors.