117 (number) Article Index for
117
 

Information About

117 (number)






Cardinal one hundred {Link without Title}
seventeen
Ordinal 117th
Factorization 3^2 \cdot 13
Divisor s3, 9, 13, 39
Roman Numeral CXVII
Binary 1110101
Hexadecimal 75



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). It is also a Pentagonal Number and a Harshad Number .


IN ASTRONOMY

  • '''In August 3 at 18:01:55 UT. The duration of Saros series 117 is 1262.11 years, and it contains 71 solar eclipses.

  • The Saros number of the May 26 at 19:33:35 UT. The duration of Saros series 119 is 1280.14 years, and it contains 72 lunar eclipses.

  • The NGC (New General Catalog) {Link without Title} object 117, a 15th Magnitude spiral Galaxy in the Constellation Cetus



IN OTHER FIELDS

One hundred seventeen is also: