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155 (number)

From Simple English Wikipedia, the free encyclopedia

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

In mathematics

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

155=5×31

Other facts

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  • 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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154 156