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Revision as of 22:17, 8 April 2004 by Guanaco (talk | contribs)(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 | XLVIV |
| Binary | 0110001 |
| Hexadecimal | 31 |
Forty-nine is a square number, and a Somer pseudoprime based on 8.
It is also:
- The atomic number of indium.
- 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.
- The year AD 49, 49 BC, and 1949.