The number 49169
49169 is a twin prime (49169 and 49171 are both prime) and the 5053rd prime number. Its only divisors are 1 and 49169.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49169: a twin prime (49169 and 49171 are both prime); the 5053rd prime number.
- 2
49169 is prime, so its only factors are 1 and 49169. It is the 5053rd prime; the next prime is 49171 and the one before is 49157.
- 3
The divisors add up to 49170; without 49169 itself that is 1, so 49169 is deficient (1 is less than 49169). Euler's totient φ(49169) = 49168 numbers up to 49169 share no factor with it.
- 4
The digits of 49169 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 52 steps to reach 1.
49169 at a glance
| Property | Value |
|---|---|
| Type | prime |
| Number of divisors | 2 |
| Sum of divisors | 49170 |
| Euler totient φ(n) | 49168 |
| Square | 2417590561 |
| Cube | 118870510293809 |
| Square root | 221.740840 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 52 |
| Scientific notation | 4.9169 × |
49169 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand one hundred and sixty-nine |
| Binary (base 2) | 1100000000010001 |
| Octal (base 8) | 140021 |
| Hexadecimal (base 16) | C011 |
| Base 3 | 2111110002 |
| As time | 49169 seconds = 13 h 39 min 29 s |
Is 49169 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 4) | 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 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 49169 a prime number?
Yes. 49169 is divisible only by 1 and itself.
What are the factors of 49169?
1, 49169.
What is 49169 in binary?
1100000000010001 (hexadecimal C011, octal 140021).
What is the square root of 49169?
About 221.7408.
Is 49169 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 49169?
49169 is a twin prime (49169 and 49171 are both prime); the 5053rd prime number.