The number 42699
42699 is a composite number with 8 divisors. Its prime factorisation is 3 × 43 × 331. Divisors (8): 1, 3, 43, 129, 331, 993, 14233, 42699.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42699 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42699 is composite. Its prime factorisation is
- 3
The divisors add up to 58432; without 42699 itself that is 15733, so 42699 is deficient (15733 is less than 42699). Euler's totient φ(42699) = 27720 numbers up to 42699 share no factor with it.
- 4
The digits of 42699 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 88 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42699 = 3 \times 43 \times 331 \]
42699 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 58432 |
| Euler totient φ(n) | 27720 |
| Square | 1823204601 |
| Cube | 77849013258099 |
| Square root | 206.637364 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 88 |
| Scientific notation | 4.2699 × |
42699 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand six hundred and ninety-nine |
| Binary (base 2) | 1010011011001011 |
| Octal (base 8) | 123313 |
| Hexadecimal (base 16) | A6CB |
| Base 3 | 2011120110 |
| As time | 42699 seconds = 11 h 51 min 39 s |
Is 42699 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 (42699 ÷ 3 = 14233) | 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 4) | 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 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 42699 a prime number?
No. 42699 = 3 × 43 × 331, so it is divisible by 3.
What are the factors of 42699?
1, 3, 43, 129, 331, 993, 14233, 42699.
What is 42699 in binary?
1010011011001011 (hexadecimal A6CB, octal 123313).
What is the square root of 42699?
About 206.6374.
Is 42699 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 42699?
It is a composite number with 8 divisors.