Sumerian Cipher
The Sumerian cipher is English Ordinal multiplied by six: A=6, B=12, through Z=156, echoing the base-60 mathematics of ancient Sumer.
It is famous for summing "computer" to 666.
Letter values
a
6
b
12
c
18
d
24
e
30
f
36
g
42
h
48
i
54
j
60
k
66
l
72
m
78
n
84
o
90
p
96
q
102
r
108
s
114
t
120
u
126
v
132
w
138
x
144
y
150
z
156