Tool to convert bibi-binary numbers. Bibi-binary (or bibinary or bibi code) is a numeric system invented by Boby Lapointe in order to represent numbers in letters which pronunciation seems funny.

Bibi-binary Code - dCode

Tag(s) : Arithmetics, Fun/Miscellaneous

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Take a number (in base 10) and convert to base 16 (hexadecimal) before replacing each character its BiBibinary value in the table:

Hexa | Bibi | Hexa | Bibi |
---|---|---|---|

0 | HO | 1 | HA |

2 | HE | 3 | HI |

4 | BO | 5 | BA |

6 | BE | 7 | BI |

8 | KO | 9 | KA |

a | KE | b | KI |

c | DO | d | DA |

e | DE | f | DI |

__Example:__ `123` in base 10 is written `7b` in base 16 and `7=BI` and `b=KI` so `123=BIKI`

Each group of 2 letters is replaced by its equivalent in base 16.

Bibi | Hexa | Bibi | Hexa |
---|---|---|---|

HO | 0 | HA | 1 |

HE | 2 | HI | 3 |

BO | 4 | BA | 5 |

BE | 6 | BI | 7 |

KO | 8 | KA | 9 |

KE | a | KI | b |

DO | c | DA | d |

DE | e | DI | f |

Remains to convert to base 10 each number obtained in base 16.

__Example:__ `DEKODE=e8e` in base 16 is equal to `3726` in base 10.

The message is only composed of syllables `de,da,do,di,be,ba,bo,bi,ke,ka,ko,ki,he,ha,ho,hi`.

Boby Lapointe described BiBi-binary as a short binary code. Citations (translated):

With the binary code, with 4 digits, get up to 15. With BiBi-binary, get up to 15 ... with 2 letters. [...] In argot bibi means me, my name is Boby and my children call me bibi so it is fun to call this system Bibi. [...] Binary is a base 2 system, bibinary is a base 4 system, bibi-binary is a base 16 system.

BiBi-binary uses 8 characters: 4 vowels `O`, `A`, `E`, `I` and `4` consonants `H`, `B`, `K` et `D`. So it is not exactly a base 4 numeric system, but, depending on the parity (odd/even) it uses a vowel or a consonant. This subtlety supports that it is a base 16 writing (hexadecimal).

Segment the binary code in groups of 2 (from the right)

__Example:__ `110111001` becomes '01, 10,11,10,01 '

Always starting from the right, replace the first group with vowels then the next group with consonants and so on alternately according to the table:

00 | O | H |

01 | A | B |

10 | E | K |

11 | I | D |

__Example:__ '01, 10,11,10,01 `becomes` AKIKA', if the number of letters is not even, complete with an initial `H` or `HAKIKA`

A patent has been set in 1968 by Robert Lapointe.

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- Bibi-binary to dEcimal Code Decoder/Converter
- Decimal to Bibi-binary Code Encoder/Converter
- How to convert to Bibi-binary code?
- How to convert/decrypt the Bibi-binary code?
- How to recognize Bibi-binary code?
- What is Bibi-binary notation?
- Why the name Bibi-binary?
- Base 4 or Base 16 for Bibi-binary?
- How to convert binary to Bibi-binary?
- When Bibi-binary code was invented ?

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