The number 40727
40727 is a composite number with 4 divisors. Its prime factorisation is 139 × 293. Divisors (4): 1, 139, 293, 40727.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 40727: a semiprime: 139 × 293, the product of two primes.
- 2
40727 is composite. Its prime factorisation is
- 3
The divisors add up to 41160; without 40727 itself that is 433, so 40727 is deficient (433 is less than 40727). Euler's totient φ(40727) = 40296 numbers up to 40727 share no factor with it.
- 4
The digits of 40727 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 88 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40727 = 139 \times 293 \]
40727 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41160 |
| Euler totient φ(n) | 40296 |
| Square | 1658688529 |
| Cube | 67553407720583 |
| Square root | 201.809316 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 88 |
| Scientific notation | 4.0727 × |
40727 in other forms
| Form | Value |
|---|---|
| In words | forty thousand seven hundred and twenty-seven |
| Binary (base 2) | 1001111100010111 |
| Octal (base 8) | 117427 |
| Hexadecimal (base 16) | 9F17 |
| Base 3 | 2001212102 |
| As time | 40727 seconds = 11 h 18 min 47 s |
Is 40727 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 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 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 7) | 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 5) | 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 40727 a prime number?
No. 40727 = 139 × 293, so it is divisible by 139.
What are the factors of 40727?
1, 139, 293, 40727.
What is 40727 in binary?
1001111100010111 (hexadecimal 9F17, octal 117427).
What is the square root of 40727?
About 201.8093.
Is 40727 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 40727?
40727 is a semiprime: 139 × 293, the product of two primes.