1310 as EVEN is a valid answer for any even base 2*b ,b>2
Let O;D;D be represented by b+1;b;b
"units" = b+b= 2b = 0 and carry=1 N
"tens"= 1 (carried from b+b=2b and carry=1) E
"hundreds" =3 ( b+1+b+1+1=3 and carry=1) V
16 was set by me as a limit, to facilitate use of alphametic solver.
see Charlie's list OF all possible solutions.
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