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| * 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 ]. | ||
| * ] is the designation for a ] ] in ]. | * ] is the designation for a ] ] in ]. | ||
| * The code for international direct dial phone calls to ]. | * The ] phone calls to ]. | ||
| * As in ''49er'', the moniker of those who participated in the ] ]. | * As in ''49er'', the moniker of those who participated in the ] ]. | ||
| * In the title of ]'s novel '']''. | * In the title of ]'s novel '']''. | ||
Revision as of 07:55, 21 February 2005
49 is the natural number following 48 and preceding 50.
| Template:Numbers 40s | |
| Cardinal | forty-nine |
| Ordinal | 49th (forty-ninth) |
| Factorization | |
| Roman numeral | XLIX |
| Binary | 0110001 |
| Hexadecimal | 31 |
In mathematics
Forty-nine is a square number, a centered octagonal number, and a Somer pseudoprime based on 8.
In science
- The atomic number of indium
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:
- The span between Jubilee years as ordained in the Holy Bible.
- The number of strings on a harp and the number of keys on a celesta.
- I-49 is the designation for a US interstate highway in Louisiana.
- The code for international direct dial phone calls to Germany.
- As in 49er, the moniker of those who participated in the 1849 California Gold Rush.
- In the title of Thomas Pynchon's novel The Crying of Lot 49.
- In the title of the movie Ladder 49.
- The year AD 49, 49 BC, and 1949.