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