Numeric Value: 661

The folowing table expresses '661' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.

BaseDR10DR9DR8DR7DR6DR5DR4DR3DR2DR1
21010010101      101101
3    220111   21,101
4     22111  13,101
5     10121  101
6      3021 101
7      1633 16,101
8      1225 123
9       814145
10       661134
11       551101
12       471101
13       3BB1C,101
14       353 B
15       2E1123
16       295101

Math World

Factors: Prime

661 is in the Pythagorean Triple: (300, 589, 661).