Numerals

Cardinal Numbers

Traditionally Gaelic used a Vigesimal counting system. This means that it is based in 20s (equivalent to the old numbers in English based on "Score").

When used to list phone numbers or count objects without naming them

1 to 19

Number	Gaelic	Number	Gaelic
1	aonan	10	aon deug
2	dha	12	da dheug
3	tri	13	tri deug
4	ceithir	14	ceithir deug
5	còig	15	còig deug
6	sia	16	sia deug
7	seachd	17	seachd deug
8	ochd	18	ochd deug
9	naoi	19	naoi deug
10	deich

20-29, 40-49, 60-69, 80-89

Number	Gaelic	Number	Gaelic	Number	Gaelic
20	Fichead	40	dà fhichead	60	tri fichead	80	ceithir fichead
21	fichead 's a aonan	41	da fhichead 's a aonan	61	tri fichead 's a aonan	81	ceithir fichead 's a aonan
22	fichead 's a dha	42	da fhichead 's a dha	62	tri fichead 's a dha	82	ceithir fichead 's a dha
23	fichead 's a tri	43	da fhichead 's a tri	63	tri fichead 's a tri	83	ceithir fichead 's a tri
24	fichead 's a ceithir	44	da fhichead 's a ceithir	64	tri fichead 's a ceithir	84	ceithir fichead 's a ceithir
25	fichead 's a còig	45	da fhichead 's a còig	65	tri fichead 's a còig	85	ceithir fichead 's a còig
26	fichead 's a sia	46	da fhichead 's a sia	66	tri fichead 's a sia	86	ceithir fichead 's a sia
7	seachd	17	seachd deug
8	ochd	18	ochd deug
9	naoi	19	naoi deug
10	deich

When used with a noun

1 to 10

English	Gaelic	Takes	Example
1	aonL	singular	aon chat
2	dhaL/daL		da chat
3	tri	plural	tri cait
4	ceithir		ceithir cait
5	còig		còig cait
6	sia		sia cait
7	seachd		seachd cait
8	ochd		ocht cait
9	naoi		naoi cait
10	deich		deich cait

Distributive Numbers

e.g. pair, dozen

Ordinal Numbers

Ordinal numbers describe a position in a series of objects. In English these are number like first second, third

Other Numbers

Multiplicative Numbers

represents repetition (once, twice, thrice)

Partitive Numbers

expresses a fraction (half, quarter, third)

Integrative-Cumulative Numbers

refer to something made up for several parts single, double, triple