Expandindo `640387530` em potências de `13`
`(640387530)_{10} =`
`=A\cdot 13^{7} + 2\cdot 13^{6} + 8\cdot 13^{5} + 9\cdot 13^{4} + 9\cdot 13^{3} + 9\cdot 13^{2} + 4\cdot 13^{1} + 3\cdot 13^{0}`
`= (\text{A2899943})_{13}`
VALORES:
| A | B | C |
| 10 | 11 | 12 |
`(640387530)_{10} =`
`=A\cdot 13^{7} + 2\cdot 13^{6} + 8\cdot 13^{5} + 9\cdot 13^{4} + 9\cdot 13^{3} + 9\cdot 13^{2} + 4\cdot 13^{1} + 3\cdot 13^{0}`
`= (\text{A2899943})_{13}`
VALORES:
| A | B | C |
| 10 | 11 | 12 |