this post was submitted on 25 Feb 2026
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Worldbuilding

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Balanced bace-27 (BB27) is used in vulpithecine computing in a similar manner to hexadecimal. Yinrih computers are based on balanced ternary instead of binary, where each digit can represent -1 (written T), 0, or 1. Balanced base-27 uses 27 digits which can represent the decimal range -13 to +13. The Yinrih Internetworking Protocol (YIP) uses BB27 to represent YIP addresses.

The table below is a human-friendly version of what yinrih actually use. Yinrih numerals are written with the highest-order digit to the right, since yinrih write right to left.

For everyday use, yinrih use either base-12 or base-24.

Balanced Ternary Decimal Balanced Base-27
TTT -13 q
TT0 -12 p
TT1 -11 n
T0T -10 m
T00 -9 l
T01 -8 k
T1T -7 j
T10 -6 h
T11 -5 g
0TT -4 f
0T0 -3 d
0T1 -2 c
00T -1 b
000 0 0
001 1 B
01T 2 C
010 3 D
011 4 F
1TT 5 G
1T0 6 H
1T1 7 J
10T 8 K
100 9 L
101 10 M
11T 11 N
110 12 P
111 13 Q
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[โ€“] TheLeadenSea@sh.itjust.works 3 points 1 month ago (1 children)

That's really creative and a cool number system! Do yinrih have three fingers or something that makes it have evolutionary reasons?

[โ€“] early_riser@lemmy.world 4 points 1 month ago

yinrih are arboreal quadrupeds with six digits on each of their four paws,for a total of 24 digits. All four paws are used more or less equally for locomotion and manipulation. The two systems (base 12 and base 24) reflect the divide between surface dwellers and spacers. Surface dwellers have to rear up on their hind feet to use their forepaws, and their rear paws have to bear their weight, giving them 12 digits to count with. Spacers live perpetually in zero-G, freeing up all 24 digits. This is reflected in language. Commonthroat is spoken in the Allied Worlds, with a large proportion of the population being surface dwellers, so it uses a base 12 system. Moonlitter and Partisan Territory occupy the outer reaches of the solar system and have a larger proportion of spacers, so Outlander, the local language, uses a base 24 system.