I=1
V=5
X=10
L=50
C=100
D=500
CM=900
M=1000
S=5000
W=10000
R=50000
N=100000
U=500000
A=1000000
F=5000000
B=10000000
G=50000000
J=100000000
JJ=200000000
JJJ=300000000
O=500000000
Y=1000000000
T=5000000000
Q=10000000000
K=50000000000
P=100000000000
E=500000000000
H=1000000000000
Z=5000000000000
!=10000000000000
- Variations
centuries.