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:The Saros of the ] series which began on ] ] and ended on ] ]. The duration of Saros series 49 was 1298.1 years, and it contained 73 lunar eclipses. :The Saros of the ] series which began on ] ] and ended on ] ]. The duration of Saros series 49 was 1298.1 years, and it contained 73 lunar eclipses.


==In other areas== ==In other fields==


Forty-nine is also: Forty-nine is also:


* The ] of ].
* The span between ] as ordained in the ]. * The span between ] as ordained in the ].
* The number of strings on a ] and the number of keys on a ]. * The number of strings on a ] and the number of keys on a ].

Revision as of 17:03, 30 December 2004

49 is the natural number following 48 and preceding 50.

Template:Numbers 40s
Cardinal forty-nine
Ordinal49th (forty-ninth)
Factorization 7 2 {\displaystyle 7^{2}\,\!}
Roman numeralXLIX
Binary0110001
Hexadecimal31

In mathematics

Forty-nine is a square number, a centered octagonal number, and a Somer pseudoprime based on 8.

In science

In astronomy,

Messier object M49, a magnitude 10.0 galaxy in the constellation Virgo
The New General Catalogue object NGC 49, a ] in the constellation Cetus
The Saros number of the solar eclipse series which began on -1248 February 22 and ended on 32 March 29. The duration of Saros series 49 was 1280.1 years, and it contained 72 solar eclipses.
The Saros number of the lunar eclipse series which began on -1217 June 21 and ended on 81 August 8. The duration of Saros series 49 was 1298.1 years, and it contained 73 lunar eclipses.

In other fields

Forty-nine is also:

Categories: