The number 43007
43007 is a composite number with 4 divisors. Its prime factorisation is 29 × 1483. Divisors (4): 1, 29, 1483, 43007.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 43007: a semiprime: 29 × 1483, the product of two primes.
- 2
43007 is composite. Its prime factorisation is
- 3
The divisors add up to 44520; without 43007 itself that is 1513, so 43007 is deficient (1513 is less than 43007). Euler's totient φ(43007) = 41496 numbers up to 43007 share no factor with it.
- 4
The digits of 43007 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 163 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43007 = 29 \times 1483 \]
43007 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 44520 |
| Euler totient φ(n) | 41496 |
| Square | 1849602049 |
| Cube | 79545835321343 |
| Square root | 207.381291 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 163 |
| Scientific notation | 4.3007 × |
43007 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand and seven |
| Binary (base 2) | 1010011111111111 |
| Octal (base 8) | 123777 |
| Hexadecimal (base 16) | A7FF |
| Base 3 | 2011222212 |
| As time | 43007 seconds = 11 h 56 min 47 s |
Is 43007 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 6) | 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 5) | 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 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 43007 a prime number?
No. 43007 = 29 × 1483, so it is divisible by 29.
What are the factors of 43007?
1, 29, 1483, 43007.
What is 43007 in binary?
1010011111111111 (hexadecimal A7FF, octal 123777).
What is the square root of 43007?
About 207.3813.
Is 43007 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 43007?
43007 is a semiprime: 29 × 1483, the product of two primes.