The number 42062
42062 is a composite number with 4 divisors. Its prime factorisation is 2 × 21031. Divisors (4): 1, 2, 21031, 42062.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 42062: a semiprime: 2 × 21031, the product of two primes.
- 2
42062 is composite. Its prime factorisation is
- 3
The divisors add up to 63096; without 42062 itself that is 21034, so 42062 is deficient (21034 is less than 42062). Euler's totient φ(42062) = 21030 numbers up to 42062 share no factor with it.
- 4
The digits of 42062 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 88 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42062 = 2 \times 21031 \]
42062 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 63096 |
| Euler totient φ(n) | 21030 |
| Square | 1769211844 |
| Cube | 74416588582328 |
| Square root | 205.090224 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 88 |
| Scientific notation | 4.2062 × |
42062 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand and sixty-two |
| Binary (base 2) | 1010010001001110 |
| Octal (base 8) | 122116 |
| Hexadecimal (base 16) | A44E |
| Base 3 | 2010200212 |
| As time | 42062 seconds = 11 h 41 min 2 s |
Is 42062 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42062 ÷ 2 = 21031) | 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 2) | 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 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42062 a prime number?
No. 42062 = 2 × 21031, so it is divisible by 2.
What are the factors of 42062?
1, 2, 21031, 42062.
What is 42062 in binary?
1010010001001110 (hexadecimal A44E, octal 122116).
What is the square root of 42062?
About 205.0902.
Is 42062 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 42062?
42062 is a semiprime: 2 × 21031, the product of two primes.