The number 5587
5587 is a composite number with 4 divisors. Its prime factorisation is 37 × 151. Divisors (4): 1, 37, 151, 5587.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 5587: a semiprime: 37 × 151, the product of two primes.
- 2
5587 is composite. Its prime factorisation is
- 3
The divisors add up to 5776; without 5587 itself that is 189, so 5587 is deficient (189 is less than 5587). Euler's totient φ(5587) = 5400 numbers up to 5587 share no factor with it.
- 4
The digits of 5587 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 111 steps to reach 1.
LaTeX source of the formulas on this page
\[ 5587 = 37 \times 151 \]
5587 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 5776 |
| Euler totient φ(n) | 5400 |
| Square | 31214569 |
| Cube | 174395797003 |
| Square root | 74.746237 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 111 |
| Scientific notation | 5.587 × |
5587 in other forms
| Form | Value |
|---|---|
| In words | five thousand five hundred and eighty-seven |
| Binary (base 2) | 1010111010011 |
| Octal (base 8) | 12723 |
| Hexadecimal (base 16) | 15D3 |
| Base 3 | 21122221 |
| As time | 5587 seconds = 1 h 33 min 7 s |
Is 5587 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 3) | 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 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 5587 a prime number?
No. 5587 = 37 × 151, so it is divisible by 37.
What are the factors of 5587?
1, 37, 151, 5587.
What is 5587 in binary?
1010111010011 (hexadecimal 15D3, octal 12723).
What is the square root of 5587?
About 74.7462.
Is 5587 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 5587?
5587 is a semiprime: 37 × 151, the product of two primes.