The number 9713
9713 is a composite number with 4 divisors. Its prime factorisation is 11 × 883. Divisors (4): 1, 11, 883, 9713.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 9713: a semiprime: 11 × 883, the product of two primes.
- 2
9713 is composite. Its prime factorisation is
- 3
The divisors add up to 10608; without 9713 itself that is 895, so 9713 is deficient (895 is less than 9713). Euler's totient φ(9713) = 8820 numbers up to 9713 share no factor with it.
- 4
The digits of 9713 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 47 steps to reach 1.
LaTeX source of the formulas on this page
\[ 9713 = 11 \times 883 \]
9713 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 10608 |
| Euler totient φ(n) | 8820 |
| Square | 94342369 |
| Cube | 916347430097 |
| Square root | 98.554553 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 47 |
| Scientific notation | 9.713 × |
9713 in other forms
| Form | Value |
|---|---|
| In words | nine thousand seven hundred and thirteen |
| Binary (base 2) | 10010111110001 |
| Octal (base 8) | 22761 |
| Hexadecimal (base 16) | 25F1 |
| Base 3 | 111022202 |
| As time | 9713 seconds = 2 h 41 min 53 s |
Is 9713 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 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 1) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (9713 ÷ 11 = 883) | 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 9713 a prime number?
No. 9713 = 11 × 883, so it is divisible by 11.
What are the factors of 9713?
1, 11, 883, 9713.
What is 9713 in binary?
10010111110001 (hexadecimal 25F1, octal 22761).
What is the square root of 9713?
About 98.5546.
Is 9713 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 9713?
9713 is a semiprime: 11 × 883, the product of two primes.