66 (number)
|
|
66 is the natural number following 65 and preceding 67.
| |||
| Cardinal | sixty-six | ||
| Ordinal | 66th (sixty-sixth) | ||
| Factorization | <math>2 \cdot 3 \cdot 11<math> | ||
| Divisors | 2, 3, 6, 11, 22, 33 | ||
| Roman numeral | LXVI | ||
| Binary | 1000010 | ||
| Hexadecimal | 42 | ||
In mathematics
66 is a sphenic number, a triangular number, a hexagonal number, and a semi-meandric number.
In science
- The atomic number of dysprosium, a lanthanide
In astronomy,
- Messier object M66, a magnitude 10.0 galaxy in the constellation Leo
- The New General Catalogue object (http://www.ngcic.org/) NGC 66, a peculiar barred spiral galaxy in the constellation Cetus
- The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/SEsaros/SEsaros1-175.html) of the solar eclipse series which began on -756 March 12 and ended on 542 May 1. The duration of Saros series 66 was 1298.1 years, and it contained 73 solar eclipses.
- The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/LEsaros/LEsaros1-175.html) of the lunar eclipse series which began on -671 August 12 and ended on 826 January 27. The duration of Saros series 66 was 1496.5 years, and it contained 84 lunar eclipses.
In other fields
Missing image
Route66_sign.jpg
Route66_sign.jpg
Route 66 sign
66 is also:
- The designation of the historic Route 66, dubbed the "Mother Road" by novelist John Steinbeck.
- The designation of US Interstate 66, a freeway that runs from Virginia to Washington, D.C..
- The number of the French department Pyrénées-Orientales.
- The international direct dialling (IDD) code for Thailand.
- The year AD 66, 66 BC, or 1966.
- The name of a German card game, translated from sechsundsechzig.
- Number of the Hockey legend Mario Lemieux
- In Star Wars, Order 66 is a prepared order to the clone troopers to kill the Jedi commanding them.es:Sesenta y seis
ko:66 ia:66 it:Sessantasei ja:66 sl:66 (število) sv:66 (tal) zh:66