The number 31714
31714 is a composite number with 8 divisors. Its prime factorisation is 2 × 101 × 157. Divisors (8): 1, 2, 101, 157, 202, 314, 15857, 31714.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
31714 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
31714 is composite. Its prime factorisation is
- 3
The divisors add up to 48348; without 31714 itself that is 16634, so 31714 is deficient (16634 is less than 31714). Euler's totient φ(31714) = 15600 numbers up to 31714 share no factor with it.
- 4
The digits of 31714 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 103 steps to reach 1.
LaTeX source of the formulas on this page
\[ 31714 = 2 \times 101 \times 157 \]
31714 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 48348 |
| Euler totient φ(n) | 15600 |
| Square | 1005777796 |
| Cube | 31897237022344 |
| Square root | 178.084250 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 103 |
| Scientific notation | 3.1714 × |
31714 in other forms
| Form | Value |
|---|---|
| In words | thirty-one thousand seven hundred and fourteen |
| Binary (base 2) | 111101111100010 |
| Octal (base 8) | 75742 |
| Hexadecimal (base 16) | 7BE2 |
| Base 3 | 1121111121 |
| As time | 31714 seconds = 8 h 48 min 34 s |
Is 31714 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (31714 ÷ 2 = 15857) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | 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 2) | 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 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 31714 a prime number?
No. 31714 = 2 × 101 × 157, so it is divisible by 2.
What are the factors of 31714?
1, 2, 101, 157, 202, 314, 15857, 31714.
What is 31714 in binary?
111101111100010 (hexadecimal 7BE2, octal 75742).
What is the square root of 31714?
About 178.0842.
Is 31714 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 31714?
It is a composite number with 8 divisors.