Science Fair Project Encyclopedia
109 (number)
109 is the natural number following 108 and preceding 110.
| Cardinal | one hundred [and] nine |
| Ordinal | 109th |
| Factorization | prime |
| Roman numeral | CIX |
| Binary | 1101101 |
| Hexadecimal | 6D |
One hundred nine (British English: One hundred and nine)is the 29th prime number. The previous prime is 107, making them both twin primes. 109 is a centered triangular number. 109 is the smallest number which is palindromic in bases 5 and 9.
One hundred nine is also:
- The atomic number of meitnerium.
- The registry number of the famous patrol boat PT-109, commanded by John F. Kennedy.
- The year AD 109 or 109 BC.
Last updated: 08-04-2005 23:21:36
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details