This is an old revision of this page, as edited by Denni (talk | contribs) at 17:03, 30 December 2004 (→In other areas). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 17:03, 30 December 2004 by Denni (talk | contribs) (→In other areas)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)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 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.