The number 98137
98137 is a composite number with 4 divisors. Its prime factorisation is 13 × 7549. Divisors (4): 1, 13, 7549, 98137.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 98137: a semiprime: 13 × 7549, the product of two primes.
- 2
98137 is composite. Its prime factorisation is
- 3
The divisors add up to 105700; without 98137 itself that is 7563, so 98137 is deficient (7563 is less than 98137). Euler's totient φ(98137) = 90576 numbers up to 98137 share no factor with it.
- 4
The digits of 98137 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 159 steps to reach 1.
LaTeX source of the formulas on this page
\[ 98137 = 13 \times 7549 \]
98137 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 105700 |
| Euler totient φ(n) | 90576 |
| Square | 9630870769 |
| Cube | 945144764657353 |
| Square root | 313.268256 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 159 |
| Scientific notation | 9.8137 × |
98137 in other forms
| Form | Value |
|---|---|
| In words | ninety-eight thousand one hundred and thirty-seven |
| Binary (base 2) | 10111111101011001 |
| Octal (base 8) | 277531 |
| Hexadecimal (base 16) | 17F59 |
| Base 3 | 11222121201 |
| As time | 98137 seconds = 27 h 15 min 37 s |
Is 98137 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 1) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 1) | 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 7) | 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 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 98137 a prime number?
No. 98137 = 13 × 7549, so it is divisible by 13.
What are the factors of 98137?
1, 13, 7549, 98137.
What is 98137 in binary?
10111111101011001 (hexadecimal 17F59, octal 277531).
What is the square root of 98137?
About 313.2683.
Is 98137 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 98137?
98137 is a semiprime: 13 × 7549, the product of two primes.