109 is the natural number following 108 and preceding 110.
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:
Last updated: 05-02-2005 19:59:15