Number representations

Number

Enter a number here, in a format understood by JavaScript:

Modify

Constants:

Ordinary positional systems

NameBaseFirst DigitNumber
Binary20
Ternary30
Octal80
Decimal100
Duodecimal120
Hexadecimal160
Phinary1.618033988749890
Base e2.718281828459050
Unary11
Balanced ternary3-1
Bijective decimal101
Negadecimal-100
Other

Languages

English:

English ordinal:

Spanish:

German:

Fractions

Improper: /

Mixed: /

Other systems

Scientific: × 10^
Roman:
Medieval:
Sexagesimal:
Upside-Down:
Factorial base:
Factorial (recursive):
Fouriest:
Factors: