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112 (number)

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112
  
113 →

Factorization
  
2× 7

Cardinal
  
one hundred twelve

Roman numeral
  
CXII

Ordinal
  
112th (one hundred and twelfth)

Divisors
  
1, 2, 4, 7, 8, 14, 16, 28, 56, 112

112 (one hundred [and] twelve) is the natural number following 111 and preceding 113.

Contents

In mathematics

112 is an abundant number, a heptagonal number, and a Harshad number. It is also the sum of six consecutive primes ( 11 + 13 + 17 + 19 + 23 + 29 ).

In science

  • The atomic number of the element copernicium (formerly called ununbium).

    • In telephony

    112 is an emergency telephone number:

  • throughout the European Union – in some cases, alongside other, country-specific emergency numbers.
  • in various other countries.
  • on mobile phones implementing the GSM standard, where it redirects to the country-specific emergency number.

    • In other fields

    One hundred [and] twelve is also:

  • 112 is the number of pounds in a British long hundredweight.
  • The number of surat al-Ikhlas in the Qur'an

    • References

    112 (number) Wikipedia
    (Text) CC BY-SA