The number 9994
9994 is a composite number with 8 divisors. Its prime factorisation is 2 × 19 × 263. Divisors (8): 1, 2, 19, 38, 263, 526, 4997, 9994.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
9994 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
9994 is composite. Its prime factorisation is
- 3
The divisors add up to 15840; without 9994 itself that is 5846, so 9994 is deficient (5846 is less than 9994). Euler's totient φ(9994) = 4716 numbers up to 9994 share no factor with it.
- 4
The digits of 9994 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 179 steps to reach 1.
LaTeX source of the formulas on this page
\[ 9994 = 2 \times 19 \times 263 \]
9994 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 15840 |
| Euler totient φ(n) | 4716 |
| Square | 99880036 |
| Cube | 998201079784 |
| Square root | 99.969995 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 179 |
| Scientific notation | 9.994 × |
9994 in other forms
| Form | Value |
|---|---|
| In words | nine thousand nine hundred and ninety-four |
| Binary (base 2) | 10011100001010 |
| Octal (base 8) | 23412 |
| Hexadecimal (base 16) | 270A |
| Base 3 | 111201011 |
| As time | 9994 seconds = 2 h 46 min 34 s |
Is 9994 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (9994 ÷ 2 = 4997) | 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 2) | 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 4) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 9994 a prime number?
No. 9994 = 2 × 19 × 263, so it is divisible by 2.
What are the factors of 9994?
1, 2, 19, 38, 263, 526, 4997, 9994.
What is 9994 in binary?
10011100001010 (hexadecimal 270A, octal 23412).
What is the square root of 9994?
About 99.9700.
Is 9994 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 9994?
It is a composite number with 8 divisors.