The number 13450
13450 is a composite number with 12 divisors. Its prime factorisation is 2 × × 269. Divisors (12): 1, 2, 5, 10, 25, 50, 269, 538, 1345, 2690, 6725, 13450.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
13450 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
13450 is composite. Its prime factorisation is
- 3
The divisors add up to 25110; without 13450 itself that is 11660, so 13450 is deficient (11660 is less than 13450). Euler's totient φ(13450) = 5360 numbers up to 13450 share no factor with it.
- 4
The digits of 13450 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 45 steps to reach 1.
LaTeX source of the formulas on this page
\[ 13450 = 2 \times 5^{2} \times 269 \]13450 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 25110 |
| Euler totient φ(n) | 5360 |
| Square | 180902500 |
| Cube | 2433138625000 |
| Square root | 115.974135 (= 5√538) |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 45 |
| Scientific notation | 1.345 × |
13450 in other forms
| Form | Value |
|---|---|
| In words | thirteen thousand four hundred and fifty |
| Binary (base 2) | 11010010001010 |
| Octal (base 8) | 32212 |
| Hexadecimal (base 16) | 348A |
| Base 3 | 200110011 |
| As time | 13450 seconds = 3 h 44 min 10 s |
Is 13450 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (13450 ÷ 2 = 6725) | 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 (13450 ÷ 5 = 2690) | 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 | No (remainder 3) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (13450 ÷ 10 = 1345) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 13450 a prime number?
No. 13450 = 2 × × 269, so it is divisible by 2.
What are the factors of 13450?
1, 2, 5, 10, 25, 50, 269, 538, 1345, 2690, 6725, 13450.
What is 13450 in binary?
11010010001010 (hexadecimal 348A, octal 32212).
What is the square root of 13450?
About 115.9741, exactly 5√538.
Is 13450 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 13450?
It is a composite number with 12 divisors.