The number 55671
55671 is a composite number with 16 divisors. Its prime factorisation is 3 × 7 × 11 × 241. Divisors (16): 1, 3, 7, 11, 21, 33, 77, 231, 241, 723, 1687, 2651, 5061, 7953, 18557, 55671.
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How to work it out
- 1
55671 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55671 is composite. Its prime factorisation is
- 3
The divisors add up to 92928; without 55671 itself that is 37257, so 55671 is deficient (37257 is less than 55671). Euler's totient φ(55671) = 28800 numbers up to 55671 share no factor with it.
- 4
The digits of 55671 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55671 = 3 \times 7 \times 11 \times 241 \]
55671 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 92928 |
| Euler totient φ(n) | 28800 |
| Square | 3099260241 |
| Cube | 172538916876711 |
| Square root | 235.947028 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 91 |
| Scientific notation | 5.5671 × |
55671 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand six hundred and seventy-one |
| Binary (base 2) | 1101100101110111 |
| Octal (base 8) | 154567 |
| Hexadecimal (base 16) | D977 |
| Base 3 | 2211100220 |
| As time | 55671 seconds = 15 h 27 min 51 s |
Is 55671 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 (55671 ÷ 3 = 18557) | 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 1) | 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 | Yes (55671 ÷ 7 = 7953) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (55671 ÷ 11 = 5061) | 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 55671 a prime number?
No. 55671 = 3 × 7 × 11 × 241, so it is divisible by 3.
What are the factors of 55671?
1, 3, 7, 11, 21, 33, 77, 231, 241, 723, 1687, 2651, 5061, 7953, 18557, 55671.
What is 55671 in binary?
1101100101110111 (hexadecimal D977, octal 154567).
What is the square root of 55671?
About 235.9470.
Is 55671 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 55671?
It is a composite number with 16 divisors.