The number 5427
5427 is a composite number with 10 divisors. Its prime factorisation is × 67. Divisors (10): 1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 5427: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
5427 is composite. Its prime factorisation is
- 3
The divisors add up to 8228; without 5427 itself that is 2801, so 5427 is deficient (2801 is less than 5427). Euler's totient φ(5427) = 3564 numbers up to 5427 share no factor with it.
- 4
The digits of 5427 add up to 18, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 160 steps to reach 1.
LaTeX source of the formulas on this page
\[ 5427 = 3^{4} \times 67 \]5427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 10 |
| Sum of divisors | 8228 |
| Euler totient φ(n) | 3564 |
| Square | 29452329 |
| Cube | 159837789483 |
| Square root | 73.668175 (= 9√67) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 160 |
| Scientific notation | 5.427 × |
5427 in other forms
| Form | Value |
|---|---|
| In words | five thousand four hundred and twenty-seven |
| Binary (base 2) | 1010100110011 |
| Octal (base 8) | 12463 |
| Hexadecimal (base 16) | 1533 |
| Base 3 | 21110000 |
| As time | 5427 seconds = 1 h 30 min 27 s |
Is 5427 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 (5427 ÷ 3 = 1809) | 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 2) | 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 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 | Yes (5427 ÷ 9 = 603) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | 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 5427 a prime number?
No. 5427 = × 67, so it is divisible by 3.
What are the factors of 5427?
1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427.
What is 5427 in binary?
1010100110011 (hexadecimal 1533, octal 12463).
What is the square root of 5427?
About 73.6682, exactly 9√67.
Is 5427 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 5427?
5427 is a happy number: repeatedly adding the squares of its digits reaches 1.