The number 3718
3718 is a composite number with 12 divisors. Its prime factorisation is 2 × 11 × . Divisors (12): 1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
3718 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
3718 is composite. Its prime factorisation is
- 3
The divisors add up to 6588; without 3718 itself that is 2870, so 3718 is deficient (2870 is less than 3718). Euler's totient φ(3718) = 1560 numbers up to 3718 share no factor with it.
- 4
The digits of 3718 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 131 steps to reach 1.
LaTeX source of the formulas on this page
\[ 3718 = 2 \times 11 \times 13^{2} \]3718 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 6588 |
| Euler totient φ(n) | 1560 |
| Square | 13823524 |
| Cube | 51395862232 |
| Square root | 60.975405 (= 13√22) |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 131 |
| Scientific notation | 3.718 × |
3718 in other forms
| Form | Value |
|---|---|
| In words | three thousand seven hundred and eighteen |
| Roman numerals | MMMDCCXVIII |
| Binary (base 2) | 111010000110 |
| Octal (base 8) | 7206 |
| Hexadecimal (base 16) | E86 |
| Base 3 | 12002201 |
| As time | 3718 seconds = 1 h 1 min 58 s |
Is 3718 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (3718 ÷ 2 = 1859) | 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 3) | 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 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (3718 ÷ 11 = 338) | 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 3718 a prime number?
No. 3718 = 2 × 11 × , so it is divisible by 2.
What are the factors of 3718?
1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718.
What is 3718 in binary?
111010000110 (hexadecimal E86, octal 7206).
What is the square root of 3718?
About 60.9754, exactly 13√22.
What is 3718 in Roman numerals?
MMMDCCXVIII.
Is 3718 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 3718?
It is a composite number with 12 divisors.