129 (number)

natural number

129 is the natural number after 128 and before 130. It is divisible by 1, 3, 43, and 129.

← 128 129 130 →
Cardinalone hundred twenty-nine
Ordinal129th
(one hundred twenty-ninth)
Factorization3 × 43
Divisors1, 3, 43, 129
Greek numeralΡΚΘ´
Roman numeralCXXIX
Binary100000012
Ternary112103
Quaternary20014
Quinary10045
Senary3336
Octal2018
DuodecimalA912
Hexadecimal8116
Vigesimal6920
Base 363L36