The number 42698
42698 is a composite number with 8 divisors. Its prime factorisation is 2 × 37 × 577. Divisors (8): 1, 2, 37, 74, 577, 1154, 21349, 42698.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42698 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42698 is composite. Its prime factorisation is
- 3
The divisors add up to 65892; without 42698 itself that is 23194, so 42698 is deficient (23194 is less than 42698). Euler's totient φ(42698) = 20736 numbers up to 42698 share no factor with it.
- 4
The digits of 42698 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42698 = 2 \times 37 \times 577 \]
42698 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 65892 |
| Euler totient φ(n) | 20736 |
| Square | 1823119204 |
| Cube | 77843543772392 |
| Square root | 206.634944 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 57 |
| Scientific notation | 4.2698 × |
42698 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand six hundred and ninety-eight |
| Binary (base 2) | 1010011011001010 |
| Octal (base 8) | 123312 |
| Hexadecimal (base 16) | A6CA |
| Base 3 | 2011120102 |
| As time | 42698 seconds = 11 h 51 min 38 s |
Is 42698 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42698 ÷ 2 = 21349) | 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 3) | 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 5) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42698 a prime number?
No. 42698 = 2 × 37 × 577, so it is divisible by 2.
What are the factors of 42698?
1, 2, 37, 74, 577, 1154, 21349, 42698.
What is 42698 in binary?
1010011011001010 (hexadecimal A6CA, octal 123312).
What is the square root of 42698?
About 206.6349.
Is 42698 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 42698?
It is a composite number with 8 divisors.