The number 16041
16041 is a composite number with 4 divisors. Its prime factorisation is 3 × 5347. Divisors (4): 1, 3, 5347, 16041.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 16041: a semiprime: 3 × 5347, the product of two primes.
- 2
16041 is composite. Its prime factorisation is
- 3
The divisors add up to 21392; without 16041 itself that is 5351, so 16041 is deficient (5351 is less than 16041). Euler's totient φ(16041) = 10692 numbers up to 16041 share no factor with it.
- 4
The digits of 16041 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 102 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16041 = 3 \times 5347 \]
16041 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 21392 |
| Euler totient φ(n) | 10692 |
| Square | 257313681 |
| Cube | 4127568756921 |
| Square root | 126.653069 |
| Digit sum / digital root | 12 / 3 |
| Collatz steps to 1 | 102 |
| Scientific notation | 1.6041 × |
16041 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand and forty-one |
| Binary (base 2) | 11111010101001 |
| Octal (base 8) | 37251 |
| Hexadecimal (base 16) | 3EA9 |
| Base 3 | 211000010 |
| As time | 16041 seconds = 4 h 27 min 21 s |
Is 16041 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 (16041 ÷ 3 = 5347) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 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 1) | 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 1) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 16041 a prime number?
No. 16041 = 3 × 5347, so it is divisible by 3.
What are the factors of 16041?
1, 3, 5347, 16041.
What is 16041 in binary?
11111010101001 (hexadecimal 3EA9, octal 37251).
What is the square root of 16041?
About 126.6531.
Is 16041 divisible by 3?
Yes. Its digits add up to 12, a multiple of 3.
What is special about the number 16041?
16041 is a semiprime: 3 × 5347, the product of two primes.