The number 35087
35087 is a composite number with 4 divisors. Its prime factorisation is 13 × 2699. Divisors (4): 1, 13, 2699, 35087.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 35087: a semiprime: 13 × 2699, the product of two primes.
- 2
35087 is composite. Its prime factorisation is
- 3
The divisors add up to 37800; without 35087 itself that is 2713, so 35087 is deficient (2713 is less than 35087). Euler's totient φ(35087) = 32376 numbers up to 35087 share no factor with it.
- 4
The digits of 35087 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 80 steps to reach 1.
LaTeX source of the formulas on this page
\[ 35087 = 13 \times 2699 \]
35087 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 37800 |
| Euler totient φ(n) | 32376 |
| Square | 1231097569 |
| Cube | 43195520403503 |
| Square root | 187.315242 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 80 |
| Scientific notation | 3.5087 × |
35087 in other forms
| Form | Value |
|---|---|
| In words | thirty-five thousand and eighty-seven |
| Binary (base 2) | 1000100100001111 |
| Octal (base 8) | 104417 |
| Hexadecimal (base 16) | 890F |
| Base 3 | 1210010112 |
| As time | 35087 seconds = 9 h 44 min 47 s |
Is 35087 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 | 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 7) | 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 8) | 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 35087 a prime number?
No. 35087 = 13 × 2699, so it is divisible by 13.
What are the factors of 35087?
1, 13, 2699, 35087.
What is 35087 in binary?
1000100100001111 (hexadecimal 890F, octal 104417).
What is the square root of 35087?
About 187.3152.
Is 35087 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 35087?
35087 is a semiprime: 13 × 2699, the product of two primes.