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Bibi-binary Code

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.

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Bibi-binary Code -

Tag(s) : Arithmetics, Fun/Miscellaneous

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# Bibi-binary Code

## Decimal to Bibi-binary Code Encoder/Converter

### How to convert to Bibi-binary code?

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

HexaBibiHexaBibi
0HO1HA
2HE3HI
4BO5BA
6BE7BI
8KO9KA
aKEbKI
cDOdDA
eDEfDI

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

### How to convert/decrypt the Bibi-binary code?

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

BibiHexaBibiHexa
HO0HA1
HE2HI3
BO4BA5
BE6BI7
KO8KA9
KEaKIb
DEeDIf

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.

### How to recognize Bibi-binary code?

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

### What is Bibi-binary notation?

Symbols have been associated to syllables

### Why the name Bibi-binary?

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.

### Base 4 or Base 16 for Bibi-binary?

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).

### How to convert binary to Bibi-binary?

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

### When Bibi-binary code was invented ?

A patent has been set in 1968 by Robert Lapointe.

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Bibi-binary Code on dCode.fr [online website], retrieved on 2023-09-30, https://www.dcode.fr/bibi-binary-code

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