← 0
1
Multiples: ¦¦
2
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3
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5
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7     
−1 0 1 2 3 4 5 6 7 8 9
Cardinal 1
one
Ordinal 1st
(1st
first)
Numeral system unary
Factorization
Divisors 1
Roman numeral I
Unicode symbol(s) Ⅰ, ⅰ
Greek Prefix mono- /haplo-
Latin Prefix uni-
Binary 12
Octal 18
Duodecimal 112
Hexadecimal 116
Arabic ١
Ge'ez
Bengali
Chinese numeral 一,弌,壹
Korean 일, 하나
Devanāgarī
Tamil
Hebrew א (Alef)
Khmer
Thai
Multiples × 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 specific
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