The number 2773
2773 is a composite number with 4 divisors. Its prime factorisation is 47 × 59. Divisors (4): 1, 47, 59, 2773.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 2773: a semiprime: 47 × 59, the product of two primes.
- 2
2773 is composite. Its prime factorisation is
- 3
The divisors add up to 2880; without 2773 itself that is 107, so 2773 is deficient (107 is less than 2773). Euler's totient φ(2773) = 2668 numbers up to 2773 share no factor with it.
- 4
The digits of 2773 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 35 steps to reach 1.
LaTeX source of the formulas on this page
\[ 2773 = 47 \times 59 \]
2773 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 2880 |
| Euler totient φ(n) | 2668 |
| Square | 7689529 |
| Cube | 21323063917 |
| Square root | 52.659282 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 35 |
| Scientific notation | 2.773 × |
2773 in other forms
| Form | Value |
|---|---|
| In words | two thousand seven hundred and seventy-three |
| Roman numerals | MMDCCLXXIII |
| Binary (base 2) | 101011010101 |
| Octal (base 8) | 5325 |
| Hexadecimal (base 16) | AD5 |
| Base 3 | 10210201 |
| As time | 2773 seconds = 46 min 13 s |
Is 2773 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 2773 a prime number?
No. 2773 = 47 × 59, so it is divisible by 47.
What are the factors of 2773?
1, 47, 59, 2773.
What is 2773 in binary?
101011010101 (hexadecimal AD5, octal 5325).
What is the square root of 2773?
About 52.6593.
What is 2773 in Roman numerals?
MMDCCLXXIII.
Is 2773 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 2773?
2773 is a semiprime: 47 × 59, the product of two primes.