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276 (number)

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Title: 276 (number)  
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Subject: Reference desk/Archives/Mathematics/2007 October 3, 495 (number), 420 (number), 801 (number), 359 (number)
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276 (number)

275 276 277
Cardinal two hundred seventy-six
Ordinal 276th
(two hundred and seventy-sixth)
Factorization 22× 3 × 23
Roman numeral CCLXXVI
Binary 1000101002
Ternary 1010203
Quaternary 101104
Quinary 21015
Senary 11406
Octal 4248
Duodecimal 1B012
Hexadecimal 11416
Vigesimal DG20
Base 36 7O36

Two hundred (and) seventy-six is the natural number following two hundred (and) seventy-five and preceding two hundred (and) seventy-seven.


  • Mathematical properties 1
  • Other occurrences 2
  • References 3
  • See also 4

Mathematical properties

276 = 15 + 25 + 35[1]

276 is a triangular number, hexagonal number, centered pentagonal number and untouchable number.

It is the lowest number whose aliquot sequence has not yet been fully determined.[2]

It is the sum of twelve consecutive prime numbers (5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43).

Other occurrences

According to the Bible 276 was the number of people saved from the shipwreck mentioned in Acts 27:37.

276 is the highest number of rounds in boxing history, in a bare-knuckle fight in 1825 that saw Jack Jones beat Patsy Tunney after 4hr 30min.[3]

276 is the area code for southwest Virginia.


  1. ^ What's Special About This Number?
  2. ^ Aliquot Sequences
  3. ^ Today's Number: 276

See also

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