The number 42607
42607 is a composite number with 4 divisors. Its prime factorisation is 137 × 311. Divisors (4): 1, 137, 311, 42607.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 42607: a semiprime: 137 × 311, the product of two primes.
- 2
42607 is composite. Its prime factorisation is
- 3
The divisors add up to 43056; without 42607 itself that is 449, so 42607 is deficient (449 is less than 42607). Euler's totient φ(42607) = 42160 numbers up to 42607 share no factor with it.
- 4
The digits of 42607 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 101 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42607 = 137 \times 311 \]
42607 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 43056 |
| Euler totient φ(n) | 42160 |
| Square | 1815356449 |
| Cube | 77346892222543 |
| Square root | 206.414631 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 101 |
| Scientific notation | 4.2607 × |
42607 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand six hundred and seven |
| Binary (base 2) | 1010011001101111 |
| Octal (base 8) | 123157 |
| Hexadecimal (base 16) | A66F |
| Base 3 | 2011110001 |
| As time | 42607 seconds = 11 h 50 min 7 s |
Is 42607 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 5) | 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 1) | 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 4) | 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 42607 a prime number?
No. 42607 = 137 × 311, so it is divisible by 137.
What are the factors of 42607?
1, 137, 311, 42607.
What is 42607 in binary?
1010011001101111 (hexadecimal A66F, octal 123157).
What is the square root of 42607?
About 206.4146.
Is 42607 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 42607?
42607 is a semiprime: 137 × 311, the product of two primes.