The number 14942
14942 is a composite number with 8 divisors. Its prime factorisation is 2 × 31 × 241. Divisors (8): 1, 2, 31, 62, 241, 482, 7471, 14942.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
14942 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
14942 is composite. Its prime factorisation is
- 3
The divisors add up to 23232; without 14942 itself that is 8290, so 14942 is deficient (8290 is less than 14942). Euler's totient φ(14942) = 7200 numbers up to 14942 share no factor with it.
- 4
The digits of 14942 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 71 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14942 = 2 \times 31 \times 241 \]
14942 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 23232 |
| Euler totient φ(n) | 7200 |
| Square | 223263364 |
| Cube | 3336001184888 |
| Square root | 122.237474 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 71 |
| Scientific notation | 1.4942 × |
14942 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand nine hundred and forty-two |
| Binary (base 2) | 11101001011110 |
| Octal (base 8) | 35136 |
| Hexadecimal (base 16) | 3A5E |
| Base 3 | 202111102 |
| As time | 14942 seconds = 4 h 9 min 2 s |
Is 14942 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (14942 ÷ 2 = 7471) | 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 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 2) | 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 4) | 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 14942 a prime number?
No. 14942 = 2 × 31 × 241, so it is divisible by 2.
What are the factors of 14942?
1, 2, 31, 62, 241, 482, 7471, 14942.
What is 14942 in binary?
11101001011110 (hexadecimal 3A5E, octal 35136).
What is the square root of 14942?
About 122.2375.
Is 14942 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 14942?
It is a composite number with 8 divisors.