The number 98501
98501 is a composite number with 4 divisors. Its prime factorisation is 13 × 7577. Divisors (4): 1, 13, 7577, 98501.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 98501: a semiprime: 13 × 7577, the product of two primes.
- 2
98501 is composite. Its prime factorisation is
- 3
The divisors add up to 106092; without 98501 itself that is 7591, so 98501 is deficient (7591 is less than 98501). Euler's totient φ(98501) = 90912 numbers up to 98501 share no factor with it.
- 4
The digits of 98501 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 115 steps to reach 1.
LaTeX source of the formulas on this page
\[ 98501 = 13 \times 7577 \]
98501 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 106092 |
| Euler totient φ(n) | 90912 |
| Square | 9702447001 |
| Cube | 955700732045501 |
| Square root | 313.848690 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 115 |
| Scientific notation | 9.8501 × |
98501 in other forms
| Form | Value |
|---|---|
| In words | ninety-eight thousand five hundred and one |
| Binary (base 2) | 11000000011000101 |
| Octal (base 8) | 300305 |
| Hexadecimal (base 16) | 180C5 |
| Base 3 | 12000010012 |
| As time | 98501 seconds = 27 h 21 min 41 s |
Is 98501 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 4) | 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 5) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 98501 a prime number?
No. 98501 = 13 × 7577, so it is divisible by 13.
What are the factors of 98501?
1, 13, 7577, 98501.
What is 98501 in binary?
11000000011000101 (hexadecimal 180C5, octal 300305).
What is the square root of 98501?
About 313.8487.
Is 98501 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 98501?
98501 is a semiprime: 13 × 7577, the product of two primes.