The number 5723
5723 is a composite number with 4 divisors. Its prime factorisation is 59 × 97. Divisors (4): 1, 59, 97, 5723.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 5723: a semiprime: 59 × 97, the product of two primes.
- 2
5723 is composite. Its prime factorisation is
- 3
The divisors add up to 5880; without 5723 itself that is 157, so 5723 is deficient (157 is less than 5723). Euler's totient φ(5723) = 5568 numbers up to 5723 share no factor with it.
- 4
The digits of 5723 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 173 steps to reach 1.
LaTeX source of the formulas on this page
\[ 5723 = 59 \times 97 \]
5723 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 5880 |
| Euler totient φ(n) | 5568 |
| Square | 32752729 |
| Cube | 187443868067 |
| Square root | 75.650512 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 173 |
| Scientific notation | 5.723 × |
5723 in other forms
| Form | Value |
|---|---|
| In words | five thousand seven hundred and twenty-three |
| Binary (base 2) | 1011001011011 |
| Octal (base 8) | 13133 |
| Hexadecimal (base 16) | 165B |
| Base 3 | 21211222 |
| As time | 5723 seconds = 1 h 35 min 23 s |
Is 5723 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 3) | 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 4) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | 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 5723 a prime number?
No. 5723 = 59 × 97, so it is divisible by 59.
What are the factors of 5723?
1, 59, 97, 5723.
What is 5723 in binary?
1011001011011 (hexadecimal 165B, octal 13133).
What is the square root of 5723?
About 75.6505.
Is 5723 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 5723?
5723 is a semiprime: 59 × 97, the product of two primes.