The number 6995
6995 is a composite number with 4 divisors. Its prime factorisation is 5 × 1399. Divisors (4): 1, 5, 1399, 6995.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 6995: a semiprime: 5 × 1399, the product of two primes.
- 2
6995 is composite. Its prime factorisation is
- 3
The divisors add up to 8400; without 6995 itself that is 1405, so 6995 is deficient (1405 is less than 6995). Euler's totient φ(6995) = 5592 numbers up to 6995 share no factor with it.
- 4
The digits of 6995 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 106 steps to reach 1.
LaTeX source of the formulas on this page
\[ 6995 = 5 \times 1399 \]
6995 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 8400 |
| Euler totient φ(n) | 5592 |
| Square | 48930025 |
| Cube | 342265524875 |
| Square root | 83.636117 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 106 |
| Scientific notation | 6.995 × |
6995 in other forms
| Form | Value |
|---|---|
| In words | six thousand nine hundred and ninety-five |
| Binary (base 2) | 1101101010011 |
| Octal (base 8) | 15523 |
| Hexadecimal (base 16) | 1B53 |
| Base 3 | 100121002 |
| As time | 6995 seconds = 1 h 56 min 35 s |
Is 6995 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 | Yes (6995 ÷ 5 = 1399) | 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 2) | 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 3) | 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 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 6995 a prime number?
No. 6995 = 5 × 1399, so it is divisible by 5.
What are the factors of 6995?
1, 5, 1399, 6995.
What is 6995 in binary?
1101101010011 (hexadecimal 1B53, octal 15523).
What is the square root of 6995?
About 83.6361.
Is 6995 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 6995?
6995 is a semiprime: 5 × 1399, the product of two primes.