The number 33423
33423 is a composite number with 8 divisors. Its prime factorisation is 3 × 13 × 857. Divisors (8): 1, 3, 13, 39, 857, 2571, 11141, 33423.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
33423 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
33423 is composite. Its prime factorisation is
- 3
The divisors add up to 48048; without 33423 itself that is 14625, so 33423 is deficient (14625 is less than 33423). Euler's totient φ(33423) = 20544 numbers up to 33423 share no factor with it.
- 4
The digits of 33423 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 142 steps to reach 1.
LaTeX source of the formulas on this page
\[ 33423 = 3 \times 13 \times 857 \]
33423 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 48048 |
| Euler totient φ(n) | 20544 |
| Square | 1117096929 |
| Cube | 37336730657967 |
| Square root | 182.819583 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 142 |
| Scientific notation | 3.3423 × |
33423 in other forms
| Form | Value |
|---|---|
| In words | thirty-three thousand four hundred and twenty-three |
| Binary (base 2) | 1000001010001111 |
| Octal (base 8) | 101217 |
| Hexadecimal (base 16) | 828F |
| Base 3 | 1200211220 |
| As time | 33423 seconds = 9 h 17 min 3 s |
Is 33423 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 | Yes (33423 ÷ 3 = 11141) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | 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 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 33423 a prime number?
No. 33423 = 3 × 13 × 857, so it is divisible by 3.
What are the factors of 33423?
1, 3, 13, 39, 857, 2571, 11141, 33423.
What is 33423 in binary?
1000001010001111 (hexadecimal 828F, octal 101217).
What is the square root of 33423?
About 182.8196.
Is 33423 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 33423?
It is a composite number with 8 divisors.