The number 4867
4867 is a composite number with 4 divisors. Its prime factorisation is 31 × 157. Divisors (4): 1, 31, 157, 4867.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 4867: a semiprime: 31 × 157, the product of two primes.
- 2
4867 is composite. Its prime factorisation is
- 3
The divisors add up to 5056; without 4867 itself that is 189, so 4867 is deficient (189 is less than 4867). Euler's totient φ(4867) = 4680 numbers up to 4867 share no factor with it.
- 4
The digits of 4867 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 46 steps to reach 1.
LaTeX source of the formulas on this page
\[ 4867 = 31 \times 157 \]
4867 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 5056 |
| Euler totient φ(n) | 4680 |
| Square | 23687689 |
| Cube | 115287982363 |
| Square root | 69.763888 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 46 |
| Scientific notation | 4.867 × |
4867 in other forms
| Form | Value |
|---|---|
| In words | four thousand eight hundred and sixty-seven |
| Binary (base 2) | 1001100000011 |
| Octal (base 8) | 11403 |
| Hexadecimal (base 16) | 1303 |
| Base 3 | 20200021 |
| As time | 4867 seconds = 1 h 21 min 7 s |
Is 4867 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 1) | 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 1) | 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 | No (remainder 7) | 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 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 4867 a prime number?
No. 4867 = 31 × 157, so it is divisible by 31.
What are the factors of 4867?
1, 31, 157, 4867.
What is 4867 in binary?
1001100000011 (hexadecimal 1303, octal 11403).
What is the square root of 4867?
About 69.7639.
Is 4867 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 4867?
4867 is a semiprime: 31 × 157, the product of two primes.