169 (number)

169 is a natural number. It comes after 168 and before 170.

169

← 160 161 162 163 164 165 166 167 168 169 →

List of numbers — Integers

← 0 100 200 300 400 500 600 700 800 900 →

one hundred sixty-nine

169th
(one hundred sixty-ninth)

13²

ΡΞΘ´

CLXIX

10101001₂

20021₃

2221₄

1134₅

441₆

251₈

121₁₂

A9₁₆

89₂₀

4P₃₆

Mathematics

169 is a square number because it equals 13×13.
169 is the 13th square number (after 144 and before 196).
It is also the sum of the first 13 odd numbers (1 + 3 + 5 + ... + 25 = 169).