| |

Next prime | 11 |

Previous prime | 5 |

Octal | (7)_{8} |

Hexadecimal | (7)_{16} |

Prime gap | 4 |

2nd Prime triplet (the smallest number) | The others are 11 and 13 . |

2nd Cousin prime (the small number) | The big number is 11 . |

2nd Sexy prime (the small number) | The big number is 13 . |

1st Prime of the Form 3n+1 | 2^{2} + 3 * 1^{2} |

2nd Prime of the Form 4n+3 | |

2nd Mersenne prime | 2^{3} - 1 |

2nd Euclid prime | 3*2 + 1 |

3rd primorial prime | 3*2 + 1 |

4th Factorial prime | 3! + 1 |

3rd Double factorial prime | 4!! - 1 |

2nd Safe prime | |

4th Left-truncatable prime | |

4th Right-truncatable prime | |

4th Two-sided prime | |