The number 3713
3713 is a composite number with 4 divisors. Its prime factorisation is 47 × 79. Divisors (4): 1, 47, 79, 3713.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 3713: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 47 × 79, the product of two primes.
- 2
3713 is composite. Its prime factorisation is
- 3
The divisors add up to 3840; without 3713 itself that is 127, so 3713 is deficient (127 is less than 3713). Euler's totient φ(3713) = 3588 numbers up to 3713 share no factor with it.
- 4
The digits of 3713 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 69 steps to reach 1.
LaTeX source of the formulas on this page
\[ 3713 = 47 \times 79 \]
3713 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 3840 |
| Euler totient φ(n) | 3588 |
| Square | 13786369 |
| Cube | 51188788097 |
| Square root | 60.934391 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 69 |
| Scientific notation | 3.713 × |
3713 in other forms
| Form | Value |
|---|---|
| In words | three thousand seven hundred and thirteen |
| Roman numerals | MMMDCCXIII |
| Binary (base 2) | 111010000001 |
| Octal (base 8) | 7201 |
| Hexadecimal (base 16) | E81 |
| Base 3 | 12002112 |
| As time | 3713 seconds = 1 h 1 min 53 s |
Is 3713 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 3) | 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 5) | 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 6) | 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 3713 a prime number?
No. 3713 = 47 × 79, so it is divisible by 47.
What are the factors of 3713?
1, 47, 79, 3713.
What is 3713 in binary?
111010000001 (hexadecimal E81, octal 7201).
What is the square root of 3713?
About 60.9344.
What is 3713 in Roman numerals?
MMMDCCXIII.
Is 3713 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 3713?
3713 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 47 × 79, the product of two primes.