The number 61337
61337 is a composite number with 4 divisors. Its prime factorisation is 83 × 739. Divisors (4): 1, 83, 739, 61337.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 61337: a semiprime: 83 × 739, the product of two primes.
- 2
61337 is composite. Its prime factorisation is
- 3
The divisors add up to 62160; without 61337 itself that is 823, so 61337 is deficient (823 is less than 61337). Euler's totient φ(61337) = 60516 numbers up to 61337 share no factor with it.
- 4
The digits of 61337 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 60 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61337 = 83 \times 739 \]
61337 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 62160 |
| Euler totient φ(n) | 60516 |
| Square | 3762227569 |
| Cube | 230763752399753 |
| Square root | 247.663078 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 60 |
| Scientific notation | 6.1337 × |
61337 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand three hundred and thirty-seven |
| Binary (base 2) | 1110111110011001 |
| Octal (base 8) | 167631 |
| Hexadecimal (base 16) | EF99 |
| Base 3 | 10010010202 |
| As time | 61337 seconds = 17 h 2 min 17 s |
Is 61337 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 2) | 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 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 1) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | 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 61337 a prime number?
No. 61337 = 83 × 739, so it is divisible by 83.
What are the factors of 61337?
1, 83, 739, 61337.
What is 61337 in binary?
1110111110011001 (hexadecimal EF99, octal 167631).
What is the square root of 61337?
About 247.6631.
Is 61337 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 61337?
61337 is a semiprime: 83 × 739, the product of two primes.