29 (number)

This article is about the number 29. For the year, see 29.
← 28 29 30 →
Cardinaltwenty-nine
Ordinal29th
(twenty-ninth)
Factorizationprime
Greek numeralΚΘ´
Roman numeralXXIX
Binary111012
Ternary10023
Quaternary1314
Quinary1045
Senary456
Octal358
Duodecimal2512
Hexadecimal1D16
Vigesimal1920
Base 36T36

29 (twenty-nine) is a number. It comes between twenty-eight and thirty, and is an odd number. It is also the 10th prime number, after 2, 3, 5, 7, 11, 13, 17, 19, and 23.

Science

29 is the atomic number of copper.

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