The number 13927
13927 is a composite number with 4 divisors. Its prime factorisation is 19 × 733. Divisors (4): 1, 19, 733, 13927.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 13927: a semiprime: 19 × 733, the product of two primes.
- 2
13927 is composite. Its prime factorisation is
- 3
The divisors add up to 14680; without 13927 itself that is 753, so 13927 is deficient (753 is less than 13927). Euler's totient φ(13927) = 13176 numbers up to 13927 share no factor with it.
- 4
The digits of 13927 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 63 steps to reach 1.
LaTeX source of the formulas on this page
\[ 13927 = 19 \times 733 \]
13927 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 14680 |
| Euler totient φ(n) | 13176 |
| Square | 193961329 |
| Cube | 2701299428983 |
| Square root | 118.012711 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 63 |
| Scientific notation | 1.3927 × |
13927 in other forms
| Form | Value |
|---|---|
| In words | thirteen thousand nine hundred and twenty-seven |
| Binary (base 2) | 11011001100111 |
| Octal (base 8) | 33147 |
| Hexadecimal (base 16) | 3667 |
| Base 3 | 201002211 |
| As time | 13927 seconds = 3 h 52 min 7 s |
Is 13927 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 1) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 13927 a prime number?
No. 13927 = 19 × 733, so it is divisible by 19.
What are the factors of 13927?
1, 19, 733, 13927.
What is 13927 in binary?
11011001100111 (hexadecimal 3667, octal 33147).
What is the square root of 13927?
About 118.0127.
Is 13927 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 13927?
13927 is a semiprime: 19 × 733, the product of two primes.