Next prime | 83 |

Previous prime | 73 |

Octal | (117)_{8} |

Hexadecimal | (4F)_{16} |

Prime gap | 4 |

8th Cousin prime (the small number) | The big number is 83 . |

10th Prime of the Form 3n+1 | 2^{2} + 3 * 5^{2} |

12th Prime of the Form 4n+3 | |

7th Emirp (reversible prime) | |

13th Right-truncatable prime |