The number 41749
41749 is a composite number with 4 divisors. Its prime factorisation is 83 × 503. Divisors (4): 1, 83, 503, 41749.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 41749: a semiprime: 83 × 503, the product of two primes.
- 2
41749 is composite. Its prime factorisation is
- 3
The divisors add up to 42336; without 41749 itself that is 587, so 41749 is deficient (587 is less than 41749). Euler's totient φ(41749) = 41164 numbers up to 41749 share no factor with it.
- 4
The digits of 41749 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 41749 = 83 \times 503 \]
41749 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 42336 |
| Euler totient φ(n) | 41164 |
| Square | 1742979001 |
| Cube | 72767630312749 |
| Square root | 204.325720 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 57 |
| Scientific notation | 4.1749 × |
41749 in other forms
| Form | Value |
|---|---|
| In words | forty-one thousand seven hundred and forty-nine |
| Binary (base 2) | 1010001100010101 |
| Octal (base 8) | 121425 |
| Hexadecimal (base 16) | A315 |
| Base 3 | 2010021021 |
| As time | 41749 seconds = 11 h 35 min 49 s |
Is 41749 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 4) | 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 1) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | 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 41749 a prime number?
No. 41749 = 83 × 503, so it is divisible by 83.
What are the factors of 41749?
1, 83, 503, 41749.
What is 41749 in binary?
1010001100010101 (hexadecimal A315, octal 121425).
What is the square root of 41749?
About 204.3257.
Is 41749 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 41749?
41749 is a semiprime: 83 × 503, the product of two primes.