The number 67551
67551 is a composite number with 16 divisors. Its prime factorisation is 3 × 11 × 23 × 89. Divisors (16): 1, 3, 11, 23, 33, 69, 89, 253, 267, 759, 979, 2047, 2937, 6141, 22517, 67551.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67551 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67551 is composite. Its prime factorisation is
- 3
The divisors add up to 103680; without 67551 itself that is 36129, so 67551 is deficient (36129 is less than 67551). Euler's totient φ(67551) = 38720 numbers up to 67551 share no factor with it.
- 4
The digits of 67551 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 112 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67551 = 3 \times 11 \times 23 \times 89 \]
67551 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 103680 |
| Euler totient φ(n) | 38720 |
| Square | 4563137601 |
| Cube | 308244508085151 |
| Square root | 259.905752 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 112 |
| Scientific notation | 6.7551 × |
67551 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand five hundred and fifty-one |
| Binary (base 2) | 10000011111011111 |
| Octal (base 8) | 203737 |
| Hexadecimal (base 16) | 107DF |
| Base 3 | 10102122220 |
| As time | 67551 seconds = 18 h 45 min 51 s |
Is 67551 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 (67551 ÷ 3 = 22517) | 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 | No (remainder 1) | 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 (67551 ÷ 11 = 6141) | 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 67551 a prime number?
No. 67551 = 3 × 11 × 23 × 89, so it is divisible by 3.
What are the factors of 67551?
1, 3, 11, 23, 33, 69, 89, 253, 267, 759, 979, 2047, 2937, 6141, 22517, 67551.
What is 67551 in binary?
10000011111011111 (hexadecimal 107DF, octal 203737).
What is the square root of 67551?
About 259.9058.
Is 67551 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 67551?
It is a composite number with 16 divisors.