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Numbers in Welsh

Key to abbreviations: m = masculine, f = feminine

  Cardinal Ordinal
0 sero/dim  
1 un cynta(f)
2 dau (m)
dwy (f)
3 tri (m)
tair (f)
trydydd (m)
trydedd (f)
4 pedwar (m)
pedair (f)
pedwerydd (m)
pedwaredd (f)
5 pum(p) pumed
6 chwe(ch) chweched
7 saith saithfed
8 wyth wythfed
9 naw naufed
10 deg degfed
  Vigesimal Decimal  
11 unarddeg un deg un unfed ar ddeg
12 deuddeg un deg dau deuddegfed
13 tri ar ddeg un deg tri trydydd ar ddeg
14 pedwar ar ddeg un deg pedwar pedwerydd ar ddeg
15 pymtheg un deg pump pymthegfed
16 un ar bymtheg un deg chwech unfed ar bymtheg
17 dau ar bymtheg un deg saith ail ar bymtheg
18 deunaw un deg wyth deunawfed
19 pedwar ar bymtheg un deg nau pedwerydd ar bymtheg
20 ugain dau ddeg ugeinfed
21 un ar hugain dau ddeg un unfed ar hugain
22 dau ar hugain dau ddeg dau ail ar hugain
23 tri ar hugain dau ddeg tri trydydd ar hugain
24 pedwar ar hugain dau ddeg pedwar pedwerydd ar hugain
25 pump ar hugain dau ddeg pump pumed ar hugain
26 chwech ar hugain dau ddeg chwech chweched ar hugain
27 saith ar hugain dau ddeg saith saithfed ar hugain
28 wyth ar hugain dau ddeg wyth wythfed ar hugain
29 naw ar hugain dau ddeg naw nawfed ar hugain
30 deg ar hugain tri deg degfed ar hugain
31 unarddeg ar hugain trideg un unfed ar ddeg ar hugain
32 deuddeg ar hugain trideg dau (rhif) trideg dau
deuddegfed ar hugain
33 tri ar ddeg ar hugain trideg tri (rhif) trideg tri
tri ar ddegfed ar hugain
34 pedwar deg ar hugain trideg pedwar (rhif) trideg pedwar
pedwar degfed ar hugain
35 pymtheg ar hugain trideg pump (rhif) trideg pump
pymthegfed ar hugain
36 un ar bymtheg ar hugain trideg chwech (rhif) trideg chwech
un ar bymthegfed ar hugain
37 dau ar bymtheg ar hugain trideg saith (rhif) trideg saith
dau ar bymthegfed ar hugain
38 daunaw ar hugain trideg wyth (rhif) trideg wyth
daunawfed ar hugain
39 pewdar ar bymtheg ar hugain trideg naw (rhif) trideg naw
pedwerydd ar bymtheg ar hugain
40 deugain pedwardeg (rhif) pedwardeg
50 hanner cant pumdeg (rhif) pumdeg
hanner canfed
60 trigain chwe deg (rhif) chwedeg
70 deg a thrigain saithdeg (rhif) saithdeg
degfed a thrigain
80 pedwar ugain wythdeg (rhif) wythdeg
pedwar ugainfed
90 deg a phedwar ugain nawdeg (rhif) nawdeg
degfed a phedar ugain
100 cant canfed
101 cant ac un (rhif) cant ac un
102 cant ac dau (rhif) cant ac dau
120 cant ac ugain cant dauddeg (rhif) cant dauddeg
200 dau gant dau ganfed
300 tri chant tri chanfed
400 pedwar cant pedwar canfed
500 pum cant pum canfed
600 chwe chant chwe chanfed
700 saith cant saith canfed
800 wyth cant wyth canfed
900 naw cant naw canfed
1,000 mil milfed
10,000 deng mil deng milfed
100,000 mwnt can mil can milfed
1 million miliwn miliyenfed
1 billion biliwn biliyenfed
half hanner
third traean
quarter chwarter
fifth pumed
sixth chweched


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