The number 25084
25084 is a composite number with 6 divisors. Its prime factorisation is × 6271. Divisors (6): 1, 2, 4, 6271, 12542, 25084.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 25084: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
25084 is composite. Its prime factorisation is
- 3
The divisors add up to 43904; without 25084 itself that is 18820, so 25084 is deficient (18820 is less than 25084). Euler's totient φ(25084) = 12540 numbers up to 25084 share no factor with it.
- 4
The digits of 25084 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 113 steps to reach 1.
LaTeX source of the formulas on this page
\[ 25084 = 2^{2} \times 6271 \]25084 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 43904 |
| Euler totient φ(n) | 12540 |
| Square | 629207056 |
| Cube | 15783029792704 |
| Square root | 158.379292 (= 2√6271) |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 113 |
| Scientific notation | 2.5084 × |
25084 in other forms
| Form | Value |
|---|---|
| In words | twenty-five thousand and eighty-four |
| Binary (base 2) | 110000111111100 |
| Octal (base 8) | 60774 |
| Hexadecimal (base 16) | 61FC |
| Base 3 | 1021102001 |
| As time | 25084 seconds = 6 h 58 min 4 s |
Is 25084 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (25084 ÷ 2 = 12542) | 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 | Yes (25084 ÷ 4 = 6271) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 25084 a prime number?
No. 25084 = × 6271, so it is divisible by 2.
What are the factors of 25084?
1, 2, 4, 6271, 12542, 25084.
What is 25084 in binary?
110000111111100 (hexadecimal 61FC, octal 60774).
What is the square root of 25084?
About 158.3793, exactly 2√6271.
Is 25084 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 25084?
25084 is a happy number: repeatedly adding the squares of its digits reaches 1.