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词条 112 (number)
释义

  1. Mathematics

  2. Science

  3. Telephony

  4. Other uses

  5. See also

  6. References

{{Infobox number
| number = 112
| divisor = 1, 2, 4, 7, 8, 14, 16, 28, 56, 112
}}

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

Mathematics

112 is an abundant number, a heptagonal number,[1] and a Harshad number.[2] It is also the sum of six consecutive primes ().

Science

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

    Telephony

    112 (emergency telephone number), used throughout the European Union and various other countries

    Other uses

    • 112 is the number of pounds in a British long hundredweight
    • 112 is the section of the criminal code dealing with lèse majesté in Thailand
    • 112 is the number of surat al-Ikhlas in the Qur'an

    See also

    • List of highways numbered 112

    References

    1. ^{{Cite web|url=https://oeis.org/A000566|title=Sloane's A000566 : Heptagonal numbers|last=|first=|date=|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Foundation|access-date=2016-05-26}}
    2. ^{{Cite web|url=https://oeis.org/A005349|title=Sloane's A005349 : Niven (or Harshad) numbers|last=|first=|date=|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Foundation|access-date=2016-05-26}}
    • Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 134
    {{Integers|1}}

    1 : Integers
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