29 (number)

This article is about the number 29. For the year, see 29.

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.

← 28 29 30 →
← 20 21 22 23 24 25 26 27 28 29 → List of numbers — Integers ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	twenty-nine
Ordinal	29th (twenty-ninth)
Factorization	prime
Greek numeral	ΚΘ´
Roman numeral	XXIX
Binary	111012
Ternary	10023
Quaternary	1314
Quinary	1045
Senary	456
Octal	358
Duodecimal	2512
Hexadecimal	1D16
Vigesimal	1920
Base 36	T36

Science

29 is the atomic number of copper.