129 (number)

129 (one hundred [and] twenty-nine) is the natural number following 128 and preceding 130.

128 129 130
Cardinalone hundred twenty-nine
Ordinal129th
(one hundred twenty-ninth)
Factorization3 × 43
Divisors1, 3, 43, 129
Greek numeralΡΚΘ´
Roman numeralCXXIX
Binary100000012
Ternary112103
Senary3336
Octal2018
DuodecimalA912
Hexadecimal8116
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