The number 98423
98423 is a composite number with 8 divisors. Its prime factorisation is 13 × 67 × 113. Divisors (8): 1, 13, 67, 113, 871, 1469, 7571, 98423.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
98423 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
98423 is composite. Its prime factorisation is
- 3
The divisors add up to 108528; without 98423 itself that is 10105, so 98423 is deficient (10105 is less than 98423). Euler's totient φ(98423) = 88704 numbers up to 98423 share no factor with it.
- 4
The digits of 98423 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 234 steps to reach 1.
LaTeX source of the formulas on this page
\[ 98423 = 13 \times 67 \times 113 \]
98423 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 108528 |
| Euler totient φ(n) | 88704 |
| Square | 9687086929 |
| Cube | 953432156812967 |
| Square root | 313.724401 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 234 |
| Scientific notation | 9.8423 × |
98423 in other forms
| Form | Value |
|---|---|
| In words | ninety-eight thousand four hundred and twenty-three |
| Binary (base 2) | 11000000001110111 |
| Octal (base 8) | 300167 |
| Hexadecimal (base 16) | 18077 |
| Base 3 | 12000000022 |
| As time | 98423 seconds = 27 h 20 min 23 s |
Is 98423 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 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 5) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | 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 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 98423 a prime number?
No. 98423 = 13 × 67 × 113, so it is divisible by 13.
What are the factors of 98423?
1, 13, 67, 113, 871, 1469, 7571, 98423.
What is 98423 in binary?
11000000001110111 (hexadecimal 18077, octal 300167).
What is the square root of 98423?
About 313.7244.
Is 98423 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 98423?
It is a composite number with 8 divisors.