The number 62741
62741 is a composite number with 4 divisors. Its prime factorisation is 7 × 8963. Divisors (4): 1, 7, 8963, 62741.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 62741: a semiprime: 7 × 8963, the product of two primes.
- 2
62741 is composite. Its prime factorisation is
- 3
The divisors add up to 71712; without 62741 itself that is 8971, so 62741 is deficient (8971 is less than 62741). Euler's totient φ(62741) = 53772 numbers up to 62741 share no factor with it.
- 4
The digits of 62741 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 55 steps to reach 1.
LaTeX source of the formulas on this page
\[ 62741 = 7 \times 8963 \]
62741 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 71712 |
| Euler totient φ(n) | 53772 |
| Square | 3936433081 |
| Cube | 246975747935021 |
| Square root | 250.481536 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 55 |
| Scientific notation | 6.2741 × |
62741 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand seven hundred and forty-one |
| Binary (base 2) | 1111010100010101 |
| Octal (base 8) | 172425 |
| Hexadecimal (base 16) | F515 |
| Base 3 | 10012001202 |
| As time | 62741 seconds = 17 h 25 min 41 s |
Is 62741 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 | Yes (62741 ÷ 7 = 8963) | 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 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 8) | 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 62741 a prime number?
No. 62741 = 7 × 8963, so it is divisible by 7.
What are the factors of 62741?
1, 7, 8963, 62741.
What is 62741 in binary?
1111010100010101 (hexadecimal F515, octal 172425).
What is the square root of 62741?
About 250.4815.
Is 62741 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 62741?
62741 is a semiprime: 7 × 8963, the product of two primes.