The number 55241
55241 is a composite number with 4 divisors. Its prime factorisation is 37 × 1493. Divisors (4): 1, 37, 1493, 55241.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55241: a semiprime: 37 × 1493, the product of two primes.
- 2
55241 is composite. Its prime factorisation is
- 3
The divisors add up to 56772; without 55241 itself that is 1531, so 55241 is deficient (1531 is less than 55241). Euler's totient φ(55241) = 53712 numbers up to 55241 share no factor with it.
- 4
The digits of 55241 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 184 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55241 = 37 \times 1493 \]
55241 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 56772 |
| Euler totient φ(n) | 53712 |
| Square | 3051568081 |
| Cube | 168571672362521 |
| Square root | 235.034040 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 184 |
| Scientific notation | 5.5241 × |
55241 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand two hundred and forty-one |
| Binary (base 2) | 1101011111001001 |
| Octal (base 8) | 153711 |
| Hexadecimal (base 16) | D7C9 |
| Base 3 | 2210202222 |
| As time | 55241 seconds = 15 h 20 min 41 s |
Is 55241 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 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | 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 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55241 a prime number?
No. 55241 = 37 × 1493, so it is divisible by 37.
What are the factors of 55241?
1, 37, 1493, 55241.
What is 55241 in binary?
1101011111001001 (hexadecimal D7C9, octal 153711).
What is the square root of 55241?
About 235.0340.
Is 55241 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 55241?
55241 is a semiprime: 37 × 1493, the product of two primes.