← 10
11
Multiples: ¦¦
22
¦¦¦
33
¦¦¦¦¦
55
¦¦¦¦¦¦¦     
77     
Cardinal eleven
Ordinal 11th
(eleventh)
Factorization prime
Divisors 1, 11
Roman numeral XI
Greek Prefix hendeca-/hendeka- (from Greek)
Latin Prefix undeca- (from Latin)
Binary 10112
Octal 138
Duodecimal B12
Hexadecimal B16