The number 42214
42214 is a composite number with 4 divisors. Its prime factorisation is 2 × 21107. Divisors (4): 1, 2, 21107, 42214.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 42214: a semiprime: 2 × 21107, the product of two primes.
- 2
42214 is composite. Its prime factorisation is
- 3
The divisors add up to 63324; without 42214 itself that is 21110, so 42214 is deficient (21110 is less than 42214). Euler's totient φ(42214) = 21106 numbers up to 42214 share no factor with it.
- 4
The digits of 42214 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 106 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42214 = 2 \times 21107 \]
42214 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 63324 |
| Euler totient φ(n) | 21106 |
| Square | 1782021796 |
| Cube | 75226268096344 |
| Square root | 205.460458 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 106 |
| Scientific notation | 4.2214 × |
42214 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand two hundred and fourteen |
| Binary (base 2) | 1010010011100110 |
| Octal (base 8) | 122346 |
| Hexadecimal (base 16) | A4E6 |
| Base 3 | 2010220111 |
| As time | 42214 seconds = 11 h 43 min 34 s |
Is 42214 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42214 ÷ 2 = 21107) | 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 6) | 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 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | 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 42214 a prime number?
No. 42214 = 2 × 21107, so it is divisible by 2.
What are the factors of 42214?
1, 2, 21107, 42214.
What is 42214 in binary?
1010010011100110 (hexadecimal A4E6, octal 122346).
What is the square root of 42214?
About 205.4605.
Is 42214 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 42214?
42214 is a semiprime: 2 × 21107, the product of two primes.