Number 3 in British English words is three.
Number consists of 1 digit, one-digit.

Number 3 in American English words is three, in German words is drei, in French words is trois, in Spanish words is tres, in Italian words is tre, in Dutch words is drie, in Danish words is tre.
If you want to write in words the number 3, it is necessary to use 5 characters.

Number 3 in binary code can be written 11.

Number 3 in octal code can be written 3.

Number 3 in hexadecimal code can be written 3.

Number 3 in Roman numerals is III.

Unix timestamp 3 converted to human readable date and time is Thursday January 1, 1970, 3:00 AM.

Decimal IP address 3 converted to dotted-decimal format is 0.0.0.3.

The square root of 3 is 1.7320508075689.
Number 3 multiplied by 2 equals 6.
Divided by 2 equals 1.5.
The sum of all digits equals 3.
Number 3 raised to the power of 2 is 9.
Number 3 raised to the power of 3 is 27.

The cosine of number 3 is -0.98999249660045.
The sine of number 3 is 0.14112000805987.
The tangent of number 3 is -0.14254654307428.
The radian equivalent of number 3 is 0.05235987755983.
The equivalent of number 3 in degrees is 171.88733853925.
The base-10 logarithm of number 3 is 0.47712125471966.

This number is odd number (an integer that is not evenly divisible by 2).
Number 3 is prime number, a natural number greater than 1 that has no positive divisors other than 1 and itself.