Next prime | 1667 |

Previous prime | 1657 |

Octal | (3177)_{8} |

Hexadecimal | (67F)_{16} |

Prime gap | 4 |

43rd Prime triplet (the smallest number) | The others are 1667 and 1669 . |

59th Cousin prime (the small number) | The big number is 1667 . |

113th Sexy prime (the small number) | The big number is 1669 . |

126th Prime of the Form 3n+1 | 34^{2} + 3 * 13^{2} |

135th Prime of the Form 4n+3 |