The number 24998
24998 is a composite number with 8 divisors. Its prime factorisation is 2 × 29 × 431. Divisors (8): 1, 2, 29, 58, 431, 862, 12499, 24998.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
24998 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24998 is composite. Its prime factorisation is
- 3
The divisors add up to 38880; without 24998 itself that is 13882, so 24998 is deficient (13882 is less than 24998). Euler's totient φ(24998) = 12040 numbers up to 24998 share no factor with it.
- 4
The digits of 24998 add up to 32, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 157 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24998 = 2 \times 29 \times 431 \]
24998 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 38880 |
| Euler totient φ(n) | 12040 |
| Square | 624900004 |
| Cube | 15621250299992 |
| Square root | 158.107558 |
| Digit sum / digital root | 32 / 5 |
| Collatz steps to 1 | 157 |
| Scientific notation | 2.4998 × |
24998 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand nine hundred and ninety-eight |
| Binary (base 2) | 110000110100110 |
| Octal (base 8) | 60646 |
| Hexadecimal (base 16) | 61A6 |
| Base 3 | 1021021212 |
| As time | 24998 seconds = 6 h 56 min 38 s |
Is 24998 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24998 ÷ 2 = 12499) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24998 a prime number?
No. 24998 = 2 × 29 × 431, so it is divisible by 2.
What are the factors of 24998?
1, 2, 29, 58, 431, 862, 12499, 24998.
What is 24998 in binary?
110000110100110 (hexadecimal 61A6, octal 60646).
What is the square root of 24998?
About 158.1076.
Is 24998 divisible by 3?
No. Its digits add up to 32, which is not a multiple of 3.
What is special about the number 24998?
It is a composite number with 8 divisors.