abacus abjad numerals ancient rome andes angle arabic numerals armenian numerals attic numerals babylonian numerals baghdad basque language binary numeral system brahmi numeral cairo california cardinal number celtic languages chepang china chinese numerals conquistador counting rods crore cyrillic numerals danish language decimal digital signal processing dozen duodecimal eastern arabic numerals egyptian numerals elvish languages english numerals etruscan numerals french language georgian language gettysburg address gottfried leibniz greek numerals hebrew numerals highly composite number hindu-arabic numeral system history of large numbers india indian mathematics indian numbering system indian numerals japanese numerals khmer numerals korean numerals lakh large numbers latin linguistics list of numbers in various languages list of numeral system topics long and short scales maya numerals mayan languages mesoamerica mexico middle belt minicoy island mixed radix modular arithmetic myriad nahuatl names of large numbers natural language natural number nepal number numeral system octal olmec ordinal number positional notation prime number quinary quipu radix rod calculus roman numerals si prefix scientific notation sexagesimal sign-value notation spain suzhou numerals tally marks thai numerals time urnfield culture numerals vigesimal word yuki language