# Compare 61 vs 1091

Property | 61 | 1091 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 61^{1} | 1091^{1} |

Prime factorization | 61 | 1091 |

Divisors count | 2 | 2 |

Divisors | 1, 61 | 1, 1091 |

Number of properties | 12 | 13 |

Additive primes | 11th | 96th |

Centered decagonal primes | 3rd | |

Centered square primes | 4th | |

Chen primes | 122nd | |

Cousin primes (2nd member) | 43rd | |

Cuban primes 1 | 4th | |

Emirps | 43rd | |

Harmonic primes | 65th | |

Long primes | 8th | 68th |

Primes | 18th | 182nd |

Prime triplets (1st member) | 32nd | |

Prime triplets (2nd member) | 31st | |

Pythagorean primes | 8th | |

Sexy primes (1st member) | 12th | 79th |

Sexy prime quadrupletss (1st member) | 4th | 8th |

Sexy prime triplets (1st member) | 8th | 29th |

Solinas primes | 15th | |

Twin primes (1st member) | 40th | |

Twin primes (2nd member) | 7th | |

Roman numberals | LXI | MXCI |

Base 2 | 111101_{2} | 10001000011_{2} |

Base 3 | 2021_{3} | 1111102_{3} |

Base 4 | 331_{4} | 101003_{4} |

Base 5 | 221_{5} | 13331_{5} |

Base 6 | 141_{6} | 5015_{6} |

Base 7 | 115_{7} | 3116_{7} |

Base 8 | 75_{8} | 2103_{8} |

Base 9 | 67_{9} | 1442_{9} |

Base 10 | 61_{10} | 1091_{10} |

Base 11 | 56_{11} | 902_{11} |

Base 12 | 51_{12} | 76b_{12} |

Base 13 | 49_{13} | 65c_{13} |

Base 14 | 45_{14} | 57d_{14} |

Base 15 | 41_{15} | 4cb_{15} |

Base 16 | 3d_{16} | 443_{16} |