123 (number)

Encyclopedia : 1 : 12 : 123 : 123 (number)

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<< 120 121 122 123 124 125 126 127 128 129 >> List of numbers -- Integers << 100 110 120 130 140 150 160 170 180 190 >>
Cardinal	123 one hundred [and] twenty-three
Ordinal	123rd one hundred [and] twenty-third
Factorization	[ 3 \cdot 41 ]
Divisors	3, 41
Roman numeral	CXXIII
Prefixes	hecatontakaiicosikaitria- (Greek)
Binary	1111011
Octal	173
Duodecimal	A3
Hexadecimal	7B

123 is the natural number following 122 and preceding 124.

In mathematics

123 is a Lucas number and a Smarandche consecutive number.

It is the first nontrivial 42-gonal number.

In other fields

One hundred [and] twenty-three is also:

• The year AD 123 or 123 BC.

See also

• Lotus 1-2-3

 

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