156 (number)

156 (one hundred [and] fifty-six) is the natural number, following 155 and preceding 157.

← 155 156 157 →
← 150 151 152 153 154 155 156 157 158 159 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred fifty-six
Ordinal	156th (one hundred fifty-sixth)
Factorization	22 × 3 × 13
Divisors	1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
Greek numeral	ΡΝϚ´
Roman numeral	CLVI, clvi
Binary	100111002
Ternary	122103
Senary	4206
Octal	2348
Duodecimal	11012
Hexadecimal	9C16

In mathematics

156 is an abundant number, a pronic number, a dodecagonal number,^[1] and a refactorable number.

156 is the number of graphs on 6 unlabeled nodes.^[2]

156 is a repdigit in base 5 (1111), and also in bases 25, 38, 51, 77, and 155.

156 degrees is the internal angle of a pentadecagon.