The number 61267
61267 is a composite number with 4 divisors. Its prime factorisation is 197 × 311. Divisors (4): 1, 197, 311, 61267.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 61267: a semiprime: 197 × 311, the product of two primes.
- 2
61267 is composite. Its prime factorisation is
- 3
The divisors add up to 61776; without 61267 itself that is 509, so 61267 is deficient (509 is less than 61267). Euler's totient φ(61267) = 60760 numbers up to 61267 share no factor with it.
- 4
The digits of 61267 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61267 = 197 \times 311 \]
61267 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 61776 |
| Euler totient φ(n) | 60760 |
| Square | 3753645289 |
| Cube | 229974585921163 |
| Square root | 247.521716 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 91 |
| Scientific notation | 6.1267 × |
61267 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand two hundred and sixty-seven |
| Binary (base 2) | 1110111101010011 |
| Octal (base 8) | 167523 |
| Hexadecimal (base 16) | EF53 |
| Base 3 | 10010001011 |
| As time | 61267 seconds = 17 h 1 min 7 s |
Is 61267 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 3) | 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 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 61267 a prime number?
No. 61267 = 197 × 311, so it is divisible by 197.
What are the factors of 61267?
1, 197, 311, 61267.
What is 61267 in binary?
1110111101010011 (hexadecimal EF53, octal 167523).
What is the square root of 61267?
About 247.5217.
Is 61267 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 61267?
61267 is a semiprime: 197 × 311, the product of two primes.