The number 16122
16122 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 2687. Divisors (8): 1, 2, 3, 6, 2687, 5374, 8061, 16122.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
16122 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
16122 is composite. Its prime factorisation is
- 3
The divisors add up to 32256; without 16122 itself that is 16134, so 16122 is abundant (16134 is more than 16122). Euler's totient φ(16122) = 5372 numbers up to 16122 share no factor with it.
- 4
The digits of 16122 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 97 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16122 = 2 \times 3 \times 2687 \]
16122 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 32256 |
| Euler totient φ(n) | 5372 |
| Square | 259918884 |
| Cube | 4190412247848 |
| Square root | 126.972438 |
| Digit sum / digital root | 12 / 3 |
| Collatz steps to 1 | 97 |
| Scientific notation | 1.6122 × |
16122 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand one hundred and twenty-two |
| Binary (base 2) | 11111011111010 |
| Octal (base 8) | 37372 |
| Hexadecimal (base 16) | 3EFA |
| Base 3 | 211010010 |
| As time | 16122 seconds = 4 h 28 min 42 s |
Is 16122 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (16122 ÷ 2 = 8061) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (16122 ÷ 3 = 5374) | 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 (16122 ÷ 6 = 2687) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 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 16122 a prime number?
No. 16122 = 2 × 3 × 2687, so it is divisible by 2.
What are the factors of 16122?
1, 2, 3, 6, 2687, 5374, 8061, 16122.
What is 16122 in binary?
11111011111010 (hexadecimal 3EFA, octal 37372).
What is the square root of 16122?
About 126.9724.
Is 16122 divisible by 3?
Yes. Its digits add up to 12, a multiple of 3.
What is special about the number 16122?
It is a composite number with 8 divisors.