Appendix:Number bases

Names for number bases. Some terms presented here are not in common usage and require citations for verification. [1] [2] [3]

• base 2i: quater-imaginary
• base −10: negadecimal
• base −9: neganonary
• base −8: negoctal
• base −7: negaseptenary
• base −6: negasenary
• base −5: negaquinary
• base −4: negaquaternary
• base −3: negaternary
• base −2: negabinary
• base 1: unary
• base 2: binary
• base 3: ternary, trinary
• base 4: quaternary
• base 5: quinary, pentimal
• base 6: senary
• base 7: septenary
• base 8: octal, octonary, octimal, octonal
• base 9: nonary
• base 10: decimal
• base 11: undecimal, undenary
• base 12: duodecimal, dozenal, duodenary
• base 13: tridecimal
• base 14: tetradecimal, quattuordecimal
• base 15: pentadecimal, quindecimal
• base 16: hexadecimal, hex, sexadecimal
• base 17: heptadecimal, septendecimal
• base 18: octodecimal
• base 19: nonadecimal
• base 20: vigesimal
• base 21: unvigesimal
• base 22: duovigesimal
• base 23: trivigesimal
• base 24: tetravigesimal
• base 25: pentavigesimal
• base 26: hexavigesimal
• base 27: heptavigesimal
• base 28: octovigesimal
• base 29: nonavigesimal
• base 30: trigesimal
• base 31: untrigesimal
• base 32: duotrigesimal
• base 33: tritrigesimal
• base 34: tetratrigesimal
• base 35: pentatrigesimal
• base 36: hexatrigesimal
• base 37: heptatrigesimal
• base 38: octotrigesimal
• base 39: nonatrigesimal
• base 40: quadragesimal
• base 41: unquadragesimal
• base 42: duoquadragesimal
• base 43: triquadragesimal
• base 44: tetraquadragesimal
• base 45: pentaqudragesimal
• base 46: hexaquadragesimal
• base 47: heptaquadragesimal
• base 48: octoquadragesimal
• base 49: nonaquadragesimal
• base 50: quinquagesimal
• base 51: unquinquagesimal
• base 52: duoquinquagesimal
• base 53: triquinquagesimal
• base 54: tetraquinquagesimal
• base 55: pentaquinquagesimal
• base 56: hexaquinquagesimal
• base 57: heptaquinquagesimal
• base 58: octoquinquagesimal
• base 59: nonaquinquagesimal
• base 60: sexagesimal
• base 61: unsexagesimal
• base 62: duosexagesimal
• base 63: trisexagesimal
• base 64: tetrasexagesimal
• base 65: pentasexagesimal
• base 66: hexasexagesimal
• base 67: heptasexagesimal
• base 68: octosexagesimal
• base 69: nonasexagesimal
• base 70: septuagesimal
• base 71: unseptuagesimal
• base 72: duoseptuagesimal
• base 73: triseptuagesimal
• base 74: tetraseptuagesimal
• base 75: pentaseptuagesimal
• base 76: hexaseptuagesimal
• base 77: heptaseptuagesimal
• base 78: octoseptuagesimal
• base 79: nonaseptuagesimal
• base 80: octogesimal
• base 81: unoctogesimal
• base 82: duoctogesimal
• base 83: trioctogesimal
• base 84: tetroctogesimal
• base 85: pentoctogesimal
• base 86: hexoctogesimal
• base 87: heptoctogesimal
• base 88: octoctogesimal
• base 89: nonoctogesimal
• base 90: nonagesimal
• base 91: unnonagesimal
• base 92: duononagesimal
• base 93: trinonagesimal
• base 94: tetranonagesimal
• base 95: pentanonagesimal
• base 96: hexanonagesimal
• base 97: heptanonagesimal
• base 98: octononagesimal
• base 99: nonanonagesimal
• base 100: centimal, centesimal
• base 128: centoctovigesimal
• base 200: bicentimal
• base 256: ducentohexaquinquagesimal
• base 300: tercentimal
• base 400: quattrocentimal
• base 500: quincentimal
• base 512: quingentoduodecimal
• base 1000: millesimal
• base 1024: milletetravigesimal
• base 2048: dumilloctoquadragesimal