| Númber | Greek Prefix | Latin Prefix |
| 1/2 | hemi | semi |
| 1 | mono or mon | Uni |
| 2 | di | bi or duo |
| 3 | tri | Tri or ter |
| 4 | Tetra or tetr | quadri or quadr |
| 5 | penta oru pent | quinque or quinqu |
| 6 | hexa or hex | sexi or sex |
| 7 | hepta or hept | septi or sept |
| 8 | octa or octo | octo |
| 9 | enne or ennea | nona or novem |
| 10 | deca or dec | decem |
| 11 | hendeca or hendec | undeca or undec |
| 12 | dodeca or dodec | duodec |
| 13 | trideca or tridec | tredec |
| 14 | tetradeca or tetradec | quatrodec |
| 15 | pentadeca or pentadec | quindec |
| 16 | hexadeca or dexadec | sextodec |
| 17 | heptadeca or heptdec | septendec |
| 18 | octadeca or octodec | octodec |
| 19 | nonadeca or nonadec | novendec |
| 20 | Eicosa, icos or eicos | - |
| 21 | heneicosa or eicos | - |
| 22 | docosa or docos | - |
| 23 | tricosa or tricos | - |
| 24 | tetracosa or tetracos | - |
| 25 | pentacosa or pentacos | - |
| 26 | hexacosa or hexacos | - |
| 27 | heptacosa or heptacos | - |
| 28 | octacosa or octacos | - |
| 29 | nonacosa no nocacos | - |
| 30 | triaconta or triacont | tringti |
| 31 | hentriaconta or hentriacont | - |
| 32 | dotriacont or dotriacont | - |
| 40 | tetrconta or tetracont | quadragin |
| 50 | pentaconta or pentacont | quinquingin |
Example:
Icosahedron – polyhedron with 20 triangular faces
Hexadecimal – numerical system using 16 symbols
Triacontrahedron – polyhedron with 30 rhombic faces as bellow.
Triacontrahedron
