Deachúil go tiontaire ochtagánach ►
Is í uimhir deachúil rialta suim na ndigití arna iolrú le 10 n .
Tá 137 i mbonn 10 cothrom le gach dhigit arna iolrú lena 10 n comhfhreagrach :
137 10 = 1 × 10 2 + 3 × 10 1 + 7 × 10 0 = 100 + 30 + 7
Léitear uimhreacha Octal ar an mbealach céanna, ach comhaireamh gach n 8 dhigit in ionad 10 n .
Iolraigh gach dhigit den uimhir heics leis an 8 n comhfhreagrach .
Tá 37 i mbonn 8 cothrom le gach dhigit arna iolrú lena 8 n comhfhreagrach :
37 8 = 3 × 8 1 + 7 × 8 0 = 24 + 7 = 31
Tá 7014 i mbonn 8 cothrom le gach dhigit arna iolrú lena chumhacht chomhfhreagrach 8:
7014 8 = 7 × 8 3 + 0 × 8 2 + 1 × 8 1 + 4 × 8 0 = 3584 + 0 + 8 + 4 = 3596
| Octal bonn 8 |
Deachúil bonn 10 |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 10 | 8 |
| 11 | 9 |
| 12 | 10 |
| 13 | 11 |
| 14 | 12 |
| 15 | 13 |
| 16 | 14 |
| 17 | 15 |
| 20 | 16 |
| 30 | 24 |
| 40 | 32 |
| 50 | 40 |
| 60 | 48 |
| 70 | 56 |
| 100 | 64 |
Advertising