The number 4739
4739 is a composite number with 4 divisors. Its prime factorisation is 7 × 677. Divisors (4): 1, 7, 677, 4739.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 4739: a semiprime: 7 × 677, the product of two primes.
- 2
4739 is composite. Its prime factorisation is
- 3
The divisors add up to 5424; without 4739 itself that is 685, so 4739 is deficient (685 is less than 4739). Euler's totient φ(4739) = 4056 numbers up to 4739 share no factor with it.
- 4
The digits of 4739 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 121 steps to reach 1.
LaTeX source of the formulas on this page
\[ 4739 = 7 \times 677 \]
4739 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 5424 |
| Euler totient φ(n) | 4056 |
| Square | 22458121 |
| Cube | 106429035419 |
| Square root | 68.840395 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 121 |
| Scientific notation | 4.739 × |
4739 in other forms
| Form | Value |
|---|---|
| In words | four thousand seven hundred and thirty-nine |
| Binary (base 2) | 1001010000011 |
| Octal (base 8) | 11203 |
| Hexadecimal (base 16) | 1283 |
| Base 3 | 20111112 |
| As time | 4739 seconds = 1 h 18 min 59 s |
Is 4739 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 3) | 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 | Yes (4739 ÷ 7 = 677) | 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 5) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 4739 a prime number?
No. 4739 = 7 × 677, so it is divisible by 7.
What are the factors of 4739?
1, 7, 677, 4739.
What is 4739 in binary?
1001010000011 (hexadecimal 1283, octal 11203).
What is the square root of 4739?
About 68.8404.
Is 4739 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 4739?
4739 is a semiprime: 7 × 677, the product of two primes.