The number 5542
5542 is a composite number with 8 divisors. Its prime factorisation is 2 × 17 × 163. Divisors (8): 1, 2, 17, 34, 163, 326, 2771, 5542.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 5542: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
5542 is composite. Its prime factorisation is
- 3
The divisors add up to 8856; without 5542 itself that is 3314, so 5542 is deficient (3314 is less than 5542). Euler's totient φ(5542) = 2592 numbers up to 5542 share no factor with it.
- 4
The digits of 5542 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 67 steps to reach 1.
LaTeX source of the formulas on this page
\[ 5542 = 2 \times 17 \times 163 \]
5542 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 8856 |
| Euler totient φ(n) | 2592 |
| Square | 30713764 |
| Cube | 170215680088 |
| Square root | 74.444610 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 67 |
| Scientific notation | 5.542 × |
5542 in other forms
| Form | Value |
|---|---|
| In words | five thousand five hundred and forty-two |
| Binary (base 2) | 1010110100110 |
| Octal (base 8) | 12646 |
| Hexadecimal (base 16) | 15A6 |
| Base 3 | 21121021 |
| As time | 5542 seconds = 1 h 32 min 22 s |
Is 5542 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (5542 ÷ 2 = 2771) | 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 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | 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 5542 a prime number?
No. 5542 = 2 × 17 × 163, so it is divisible by 2.
What are the factors of 5542?
1, 2, 17, 34, 163, 326, 2771, 5542.
What is 5542 in binary?
1010110100110 (hexadecimal 15A6, octal 12646).
What is the square root of 5542?
About 74.4446.
Is 5542 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 5542?
5542 is a happy number: repeatedly adding the squares of its digits reaches 1.