Next prime | 3 |

Previous prime | nothing |

The only even prime | |

Octal | (2)_{8} |

Hexadecimal | (2)_{16} |

Prime gap | 1 |

1st Factorial prime | 1! + 1 |

1st Double factorial prime | 1!! + 1 , 3!! - 1 |

1st Sophie Germain prime | |

1st Left-truncatable prime | |

1st Right-truncatable prime | |

1st Two-sided prime |