The number 87377
87377 is a composite number with 8 divisors. Its prime factorisation is 23 × 29 × 131. Divisors (8): 1, 23, 29, 131, 667, 3013, 3799, 87377.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
87377 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
87377 is composite. Its prime factorisation is
- 3
The divisors add up to 95040; without 87377 itself that is 7663, so 87377 is deficient (7663 is less than 87377). Euler's totient φ(87377) = 80080 numbers up to 87377 share no factor with it.
- 4
The digits of 87377 add up to 32, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 164 steps to reach 1.
LaTeX source of the formulas on this page
\[ 87377 = 23 \times 29 \times 131 \]
87377 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 95040 |
| Euler totient φ(n) | 80080 |
| Square | 7634740129 |
| Cube | 667100688251633 |
| Square root | 295.596008 |
| Digit sum / digital root | 32 / 5 |
| Collatz steps to 1 | 164 |
| Scientific notation | 8.7377 × |
87377 in other forms
| Form | Value |
|---|---|
| In words | eighty-seven thousand three hundred and seventy-seven |
| Binary (base 2) | 10101010101010001 |
| Octal (base 8) | 252521 |
| Hexadecimal (base 16) | 15551 |
| Base 3 | 11102212012 |
| As time | 87377 seconds = 24 h 16 min 17 s |
Is 87377 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 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 5) | 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 5) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 87377 a prime number?
No. 87377 = 23 × 29 × 131, so it is divisible by 23.
What are the factors of 87377?
1, 23, 29, 131, 667, 3013, 3799, 87377.
What is 87377 in binary?
10101010101010001 (hexadecimal 15551, octal 252521).
What is the square root of 87377?
About 295.5960.
Is 87377 divisible by 3?
No. Its digits add up to 32, which is not a multiple of 3.
What is special about the number 87377?
It is a composite number with 8 divisors.