Numeric Value: 89

The folowing table expresses '89' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.

BaseDR7DR6DR5DR4DR3DR2DR1
21011001   100 1
3  10022  12,101
4   1121 112
5    32414,101
6    225134
7    155145
8    131 5
9    108101
10     89,178
11     819
12     75,101
13     6B,145
14     65B
15     5E,145
16     59E

Math World

Factors: Prime

89 is the 11th Fibonacci number.

89 is in the Pythagorean Triples: (39, 80, 89), (89, 3960, 3961).

Physical World

89 is the atomic weight of Actinium (Ac).