Decades: 30s BC 20s BC 10s BC 0s BC 0s - 10s - 20s 30s 40s 50s 60s
Years: 8 9 10 11 12 - 13 - 14 15 16 17 18
Births
Deaths
For the number 13, see thirteen.
... are complex numbers, or more generally members of any field whose characteristic is not 2. (In a field of characteristic 2, the element 2a is zero and it is impossible to ...