79 (the 22nd prime)

 
Next prime83
Previous prime73
Octal(117)8
Hexadecimal(4F)16
Prime gap4
8th Cousin prime (the small number)The big number is 83 .
10th Prime of the Form 3n+122 + 3 * 52
12th Prime of the Form 4n+3 
7th Emirp (reversible prime) 
13th Right-truncatable prime