Heptavintimal

Heptavintimal is a base-27 numeral system. (Also called Septemvigesimal in language-related topics.)

It is the ternary equivalent of Hexadecimal.

A 9-trit Tryte can be written with three Heptavintimal characters. "DDD" would be 0.

Styles

• 09AQ (preferred style)
• AZ0
• 0AZ

Chart

Unbalanced Decimal	Balanced Decimal	09AQ	AZ0	0AZ
0	-13	0	A	0
1	-12	1	B	A
2	-11	2	C	B
3	-10	3	D	C
4	-9	4	E	D
5	-8	5	F	E
6	-7	6	G	F
7	-6	7	H	G
8	-5	8	I	H
9	-4	9	J	I
10	-3	A	K	J
11	-2	B	L	K
12	-1	C	M	L
13	0	D	N	M
14	1	E	O	N
15	2	F	P	O
16	3	G	Q	P
17	4	H	R	Q
18	5	I	S	R
19	6	J	T	S
20	7	K	U	T
21	8	L	V	U
22	9	M	W	V
23	10	N	X	W
24	11	O	Y	X
25	12	P	Z	Y
26	13	Q	0	Z