117 (number)

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117 (one hundred [and] seventeen) is the natural number following 116 and preceding 118.

117
Cardinal one hundred [and] seventeen
Ordinal 117th
(one hundred [and] seventeenth)
Numeral system 114
Factorization 3^2 \cdot 13
Divisors 1, 3, 9, 13, 39, 117
Roman numeral CXVII
Binary 11101012
Octal 1658
Duodecimal 9912
Hexadecimal 7516

Contents

In mathematics

One hundred seventeen is the smallest possible length of the longest side of a Heronian tetrahedron (one whose sides are all rational numbers).[1][2]

117 is a pentagonal number.

In base 10, it is a Harshad number.

In astronomy

In the military

In TV

In other fields

One hundred seventeen is also:

See also

References

  1. ^ Ivars Peterson, "Perfect Pyramids" MAA Online July 28, 2003
  2. ^ Weisstein, Eric W. "Heronian Tetrahedron." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/HeronianTetrahedron.html

External links

This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.


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