The number 60491
60491 is a composite number with 4 divisors. Its prime factorisation is 241 × 251. Divisors (4): 1, 241, 251, 60491.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 60491: a semiprime: 241 × 251, the product of two primes.
- 2
60491 is composite. Its prime factorisation is
- 3
The divisors add up to 60984; without 60491 itself that is 493, so 60491 is deficient (493 is less than 60491). Euler's totient φ(60491) = 60000 numbers up to 60491 share no factor with it.
- 4
The digits of 60491 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 86 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60491 = 241 \times 251 \]
60491 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 60984 |
| Euler totient φ(n) | 60000 |
| Square | 3659161081 |
| Cube | 221346312950771 |
| Square root | 245.949182 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 86 |
| Scientific notation | 6.0491 × |
60491 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand four hundred and ninety-one |
| Binary (base 2) | 1110110001001011 |
| Octal (base 8) | 166113 |
| Hexadecimal (base 16) | EC4B |
| Base 3 | 10001222102 |
| As time | 60491 seconds = 16 h 48 min 11 s |
Is 60491 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 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 2) | 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 60491 a prime number?
No. 60491 = 241 × 251, so it is divisible by 241.
What are the factors of 60491?
1, 241, 251, 60491.
What is 60491 in binary?
1110110001001011 (hexadecimal EC4B, octal 166113).
What is the square root of 60491?
About 245.9492.
Is 60491 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 60491?
60491 is a semiprime: 241 × 251, the product of two primes.