115 number

115 is the natural number following 114 and preceding 116.

Template:Numbers 110s
Cardinal	one hundred [and] fifteen
Ordinal	115th
Factorization	$5\cdot 23$
Roman numeral	CXV
Binary	1110011
Hexadecimal	73

115 is a heptagonal pyramidal number and a lucky number.

One hundred fifteen is also:

• The atomic number of an element temporarily called ununpentium.
• The year AD 115 or 115 BC.