The Number System of Basque

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The Number System of Basque

This page is based on Center for Basque Studies - Vocabulary and "Kôza Gengo 6 - Sekai no Gengo" editted by Hajime Kitamura, published by Taishûkan Shoten.

Basque number system is completely vigesimal (base 20) up to 100.

Number	Reading	Meaning
0	huts	0
1	bat	1
2	bi	2
3	hiru	3
4	lau	4
5	bost	5
6	sei	6
7	zazpi	7
8	zortzi	8
9	bederatzi	9
10	hamar	10
11	hamaika	11
12	hamabi	10^* + 2
13	hamairu	10^* + 3^*
14	hamalau	10^* + 4
15	hamabost	10^* + 5
16	hamasei	10^* + 6
17	hamazazpi	10^* + 7
18	hemezortzi	10^* + 8
19	hemeretzi	19
20	hogei	20
21	hogei ta bat	20 and 1
22	hogei ta bi	20 and 2
23	hogei ta hiru	20 and 3
24	hogei ta lau	20 and 4
25	hogei ta bost	20 and 5
26	hogei ta sei	20 and 6
27	hogei ta zazpi	20 and 7
28	hogei ta zortzi	20 and 8
29	hogei ta bederatzi	20 and 9
30	hogei ta hamar	20 and 10
31	hogei ta hamaika	20 and 11
32	hogei ta hamabi	20 and (10^* + 2)
33	hogei ta hamairu	20 and (10^* + 3^*)
34	hogei ta hamalau	20 and (10^* + 4)
35	hogei ta hamabost	20 and (10^* + 5)
36	hogei ta hamasei	20 and (10^* + 6)
37	hogei ta hamazazpi	20 and (10^* + 7)
38	hogei ta hemezortzi	20 and (10^* + 8)
39	hogei ta hemeretzi	20 and 19
40	berrogei	2^* × 20^*
41	berrogei ta bat	(2^* × 20^*) and 1
42	berrogei ta bi	(2^* × 20^*) and 2
43	berrogei ta hiru	(2^* × 20^*) and 3
44	berrogei ta lau	(2^* × 20^*) and 4
45	berrogei ta bost	(2^* × 20^*) and 5
46	berrogei ta sei	(2^* × 20^*) and 6
47	berrogei ta zazpi	(2^* × 20^*) and 7
48	berrogei ta zortzi	(2^* × 20^*) and 8
49	berrogei ta bederatzi	(2^* × 20^*) and 9
50	berrogei ta hamar	(2^* × 20^*) and 10
51	berrogei ta hamaika	(2^* × 20^*) and 11
52	berrogei ta hamabi	(2^* × 20^) and (10^ + 2)
53	berrogei ta hamairu	(2^* × 20^) and (10^ + 3^*)
54	berrogei ta hamalau	(2^* × 20^) and (10^ + 4)
55	berrogei ta hamabost	(2^* × 20^) and (10^ + 5)
56	berrogei ta hamasei	(2^* × 20^) and (10^ + 6)
57	berrogei ta hamazazpi	(2^* × 20^) and (10^ + 7)
58	berrogei ta hemezortzi	(2^* × 20^) and (10^ + 8)
59	berrogei ta hemeretzi	(2^* × 20^*) and 19
60	hirurogei	3 × 20^*
61	hirurogei ta bat	(3 × 20^*) and 1
62	hirurogei ta bi	(3 × 20^*) and 2
63	hirurogei ta hiru	(3 × 20^*) and 3
64	hirurogei ta lau	(3 × 20^*) and 4
65	hirurogei ta bost	(3 × 20^*) and 5
66	hirurogei ta sei	(3 × 20^*) and 6
67	hirurogei ta zazpi	(3 × 20^*) and 7
68	hirurogei ta zortzi	(3 × 20^*) and 8
69	hirurogei ta bederatzi	(3 × 20^*) and 9
70	hirurogei ta hamar	(3 × 20^*) and 10
71	hirurogei ta hamaika	(3 × 20^*) and 11
72	hirurogei ta hamabi	(3 × 20^) and (10^ + 2)
73	hirurogei ta hamairu	(3 × 20^) and (10^ + 3^*)
74	hirurogei ta hamalau	(3 × 20^) and (10^ + 4)
75	hirurogei ta hamabost	(3 × 20^) and (10^ + 5)
76	hirurogei ta hamasei	(3 × 20^) and (10^ + 6)
77	hirurogei ta hamazazpi	(3 × 20^) and (10^ + 7)
78	hirurogei ta hemezortzi	(3 × 20^) and (10^ + 8)
79	hirurogei ta hemeretzi	(3 × 20^*) and 19
80	larrogei	4^* × 20^*
81	larrogei ta bat	(4^* × 20^*) and 1
82	larrogei ta bi	(4^* × 20^*) and 2
83	larrogei ta hiru	(4^* × 20^*) and 3
84	larrogei ta lau	(4^* × 20^*) and 4
85	larrogei ta bost	(4^* × 20^*) and 5
86	larrogei ta sei	(4^* × 20^*) and 6
87	larrogei ta zazpi	(4^* × 20^*) and 7
88	larrogei ta zortzi	(4^* × 20^*) and 8
89	larrogei ta bederatzi	(4^* × 20^*) and 9
90	larrogei ta hamar	(4^* × 20^*) and 10
91	larrogei ta hamaika	(4^* × 20^*) and 11
92	larrogei ta hamabi	(4^* × 20^) and (10^ + 2)
93	larrogei ta hamairu	(4^* × 20^) and (10^ + 3^*)
94	larrogei ta hamalau	(4^* × 20^) and (10^ + 4)
95	larrogei ta hamabost	(4^* × 20^) and (10^ + 5)
96	larrogei ta hamasei	(4^* × 20^) and (10^ + 6)
97	larrogei ta hamazazpi	(4^* × 20^) and (10^ + 7)
98	larrogei ta hemezortzi	(4^* × 20^) and (10^ + 8)
99	larrogei ta hemeretzi	(4^* × 20^*) and 19
100	ehun	100

* Different form

Basque (3)

BASQUE, NAVARRO-LABOURDIN
BASQUE, SOULETIN
BASQUE

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