The number 42927
42927 is a composite number with 8 divisors. Its prime factorisation is 3 × 41 × 349. Divisors (8): 1, 3, 41, 123, 349, 1047, 14309, 42927.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42927 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42927 is composite. Its prime factorisation is
- 3
The divisors add up to 58800; without 42927 itself that is 15873, so 42927 is deficient (15873 is less than 42927). Euler's totient φ(42927) = 27840 numbers up to 42927 share no factor with it.
- 4
The digits of 42927 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 49 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42927 = 3 \times 41 \times 349 \]
42927 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 58800 |
| Euler totient φ(n) | 27840 |
| Square | 1842727329 |
| Cube | 79102756051983 |
| Square root | 207.188320 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 49 |
| Scientific notation | 4.2927 × |
42927 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand nine hundred and twenty-seven |
| Binary (base 2) | 1010011110101111 |
| Octal (base 8) | 123657 |
| Hexadecimal (base 16) | A7AF |
| Base 3 | 2011212220 |
| As time | 42927 seconds = 11 h 55 min 27 s |
Is 42927 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 | Yes (42927 ÷ 3 = 14309) | 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 3) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42927 a prime number?
No. 42927 = 3 × 41 × 349, so it is divisible by 3.
What are the factors of 42927?
1, 3, 41, 123, 349, 1047, 14309, 42927.
What is 42927 in binary?
1010011110101111 (hexadecimal A7AF, octal 123657).
What is the square root of 42927?
About 207.1883.
Is 42927 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 42927?
It is a composite number with 8 divisors.