155 (number)

155 (one hundred fifty-five) is a natural number. It comes after 154 and before 156.

155

← 150 151 152 153 154 155 156 157 158 159 →

List of numbers — Integers

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

one hundred fifty-five

155th
(one hundred fifty-fifth)

5 × 31

ΡΝΕ´

CLV

10011011₂

12202₃

2123₄

1110₅

415₆

233₈

10B₁₂

9B₁₆

7F₂₀

4B₃₆

In mathematics

155 is a semiprime number. This means it is the product of two prime numbers. Its prime factorization is:

155=5×31

In Roman numerals, 155 is written as CLV.

Other facts

155 is the police emergency telephone number in Turkey.
The year AD 155 was a year in the Julian calendar (used in ancient Rome). It was the year after AD 154 and before AD 156.

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