The number 16450
16450 is a composite number with 24 divisors. Its prime factorisation is 2 × × 7 × 47. Divisors (24): 1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350 … 16450.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
16450 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
16450 is composite. Its prime factorisation is
- 3
The divisors add up to 35712; without 16450 itself that is 19262, so 16450 is abundant (19262 is more than 16450). Euler's totient φ(16450) = 5520 numbers up to 16450 share no factor with it.
- 4
The digits of 16450 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 115 steps to reach 1.
LaTeX source of the formulas on this page
\[ 16450 = 2 \times 5^{2} \times 7 \times 47 \]16450 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 35712 |
| Euler totient φ(n) | 5520 |
| Square | 270602500 |
| Cube | 4451411125000 |
| Square root | 128.257553 (= 5√658) |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 115 |
| Scientific notation | 1.645 × |
16450 in other forms
| Form | Value |
|---|---|
| In words | sixteen thousand four hundred and fifty |
| Binary (base 2) | 100000001000010 |
| Octal (base 8) | 40102 |
| Hexadecimal (base 16) | 4042 |
| Base 3 | 211120021 |
| As time | 16450 seconds = 4 h 34 min 10 s |
Is 16450 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (16450 ÷ 2 = 8225) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | 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 | Yes (16450 ÷ 5 = 3290) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (16450 ÷ 7 = 2350) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (16450 ÷ 10 = 1645) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 16450 a prime number?
No. 16450 = 2 × × 7 × 47, so it is divisible by 2.
What are the factors of 16450?
1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1645, 2350, 3290, 8225, 16450.
What is 16450 in binary?
100000001000010 (hexadecimal 4042, octal 40102).
What is the square root of 16450?
About 128.2576, exactly 5√658.
Is 16450 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 16450?
It is a composite number with 24 divisors.