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| '''Forty-nine''' ( |
'''Forty-nine''' (49, XLIX) is the ] following ] and preceeding ]. Its ]s are 1, 7, and 49; its ] is | ||
| :<math>49 = 7^2</math> | :<math>49 = 7^2</math> | ||
Revision as of 19:01, 25 February 2004
For the year A.D. 49, see 49.
Forty-nine (49, XLIX) is the natural number following forty-eight and preceeding fifty. Its divisors are 1, 7, and 49; its factorisation is
It is a Somer pseudoprime based on 8.
Forty-nine 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.
- The code for international direct dial phone calls to Germany.
- As in 49er, the moniker of those who participated in the 1849 gold rush.