The number 14142
14142 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 2357. Divisors (8): 1, 2, 3, 6, 2357, 4714, 7071, 14142.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
14142 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
14142 is composite. Its prime factorisation is
- 3
The divisors add up to 28296; without 14142 itself that is 14154, so 14142 is abundant (14154 is more than 14142). Euler's totient φ(14142) = 4712 numbers up to 14142 share no factor with it.
- 4
The digits of 14142 add up to 12, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 58 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14142 = 2 \times 3 \times 2357 \]
14142 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 28296 |
| Euler totient φ(n) | 4712 |
| Square | 199996164 |
| Cube | 2828345751288 |
| Square root | 118.920141 |
| Digit sum / digital root | 12 / 3 |
| Collatz steps to 1 | 58 |
| Scientific notation | 1.4142 × |
14142 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand one hundred and forty-two |
| Binary (base 2) | 11011100111110 |
| Octal (base 8) | 33476 |
| Hexadecimal (base 16) | 373E |
| Base 3 | 201101210 |
| As time | 14142 seconds = 3 h 55 min 42 s |
Is 14142 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (14142 ÷ 2 = 7071) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (14142 ÷ 3 = 4714) | 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 | Yes (14142 ÷ 6 = 2357) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 3) | 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 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 14142 a prime number?
No. 14142 = 2 × 3 × 2357, so it is divisible by 2.
What are the factors of 14142?
1, 2, 3, 6, 2357, 4714, 7071, 14142.
What is 14142 in binary?
11011100111110 (hexadecimal 373E, octal 33476).
What is the square root of 14142?
About 118.9201.
Is 14142 divisible by 3?
Yes. Its digits add up to 12, a multiple of 3.
What is special about the number 14142?
It is a composite number with 8 divisors.