103 (the 27th prime)

 
Next prime107
Previous prime101
Octal(147)8
Hexadecimal(67)16
Prime gap4
11th Prime triplet (the smallest number)The others are 107 and 109 .
10th Cousin prime (the small number)The big number is 107 .
18th Sexy prime (the small number)The big number is 109 .
12th Prime of the Form 3n+1102 + 3 * 12
14th Prime of the Form 4n+3