29 (number)

← 28 29 30 →
Cardinaltwenty-nine
Ordinal29th
(twenty-ninth)
Factorizationprime
Prime10th
Divisors1, 29
Greek numeralΚΘ´
Roman numeralXXIX, xxix
Binary111012
Ternary10023
Senary456
Octal358
Duodecimal2512
Hexadecimal1D16

29 (twenty-nine) is the natural number following 28 and preceding 30. It is a prime number.

29 is the number of days February has on a leap year.

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