991 (the 167th prime)

 
Next prime997
Previous prime983
Octal(1737)8
Hexadecimal(3DF)16
Prime gap6
74th Sexy prime (the small number)The big number is 997 .
79th Prime of the Form 3n+1222 + 3 * 132
87th Prime of the Form 4n+3 
36th Emirp (reversible prime)