The number 14138
14138 is a composite number with 4 divisors. Its prime factorisation is 2 × 7069. Divisors (4): 1, 2, 7069, 14138.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 14138: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 7069, the product of two primes.
- 2
14138 is composite. Its prime factorisation is
- 3
The divisors add up to 21210; without 14138 itself that is 7072, so 14138 is deficient (7072 is less than 14138). Euler's totient φ(14138) = 7068 numbers up to 14138 share no factor with it.
- 4
The digits of 14138 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 151 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14138 = 2 \times 7069 \]
14138 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 21210 |
| Euler totient φ(n) | 7068 |
| Square | 199883044 |
| Cube | 2825946476072 |
| Square root | 118.903322 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 151 |
| Scientific notation | 1.4138 × |
14138 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand one hundred and thirty-eight |
| Binary (base 2) | 11011100111010 |
| Octal (base 8) | 33472 |
| Hexadecimal (base 16) | 373A |
| Base 3 | 201101122 |
| As time | 14138 seconds = 3 h 55 min 38 s |
Is 14138 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (14138 ÷ 2 = 7069) | 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 8) | 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 3) | 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 14138 a prime number?
No. 14138 = 2 × 7069, so it is divisible by 2.
What are the factors of 14138?
1, 2, 7069, 14138.
What is 14138 in binary?
11011100111010 (hexadecimal 373A, octal 33472).
What is the square root of 14138?
About 118.9033.
Is 14138 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 14138?
14138 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 7069, the product of two primes.