Roman numeral system

E376061

The Roman numeral system is an ancient numeric notation that uses combinations of Latin letters such as I, V, X, L, C, D, and M to represent numbers.

All labels observed (1)

Label Occurrences
Roman numeral system canonical 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf historical numbering system
numeral system
positional notation with subtractive features
approximateOriginCentury before 1st century BCE
baseValueOfSymbol C = 100
D = 500
I = 1
L = 50
M = 1000
V = 5
X = 10
developedIn Roman Antiquity
surface form: ancient Rome
exampleOfOverlineUsage V̅ = 5000
X̅ = 10000
exampleOfSubtractivePair CD = 400
CM = 900
IV = 4
IX = 9
XC = 90
XL = 40
influencedBy Etruscan numeral system
isNonPositional true
lacksSymbolFor zero
replacedBy Hindu–Arabic numeral system
rule no symbol is repeated more than three times in succession in standard notation
stillUsedFor Pope regnal numbers
Super Bowl
surface form: Super Bowl numbering

book chapter numbering
clock faces
monarch regnal numbers
movie sequel numbering
outlines and lists
typicalMaximumStandardNumber 3999
usedBy ancient Romans
usedFor accounting in ancient Rome
inscriptions
numbering years in some contexts
usesAdditiveNotation true
usesOverlineForMultiplicationBy 1000
usesSubtractiveNotation true
usesSymbol C
D
I
L
M
V
X
writingDirection left to right
writingSystemUsed Latin alphabet

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

IV notationSystem Roman numeral system