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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

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Bibi-binary Code Decoder/Converter



Bibi-binary Code Encoder/Converter



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.

Answers to Questions

How to convert in Bibi-binary code?

Take a number (in base 10) and convert in base 16 (hexadecimal) before replacing each character its BiBi-binary 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
DOcDAd
DEeDIf

Remains to convert in 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 notation.jpg

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:

00OH
01AB
10EK
11ID

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 have been invented ?

A patent has been set in 1968.

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Source code

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Questions / Comments


Team dCode likes feedback and relevant comments; to get an answer give an email (not published). It is thanks to you that dCode has the best Bibi-binary Code tool. Thank you.


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