The folowing table expresses '127' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|
| 2 | 1111111 | 111 | 11,10 | 1 | |||
| 3 | 11201 | 12,10 | 1 | ||||
| 4 | 1333 | 22,10 | 1 | ||||
| 5 | 1002 | 3 | |||||
| 6 | 331 | 11 | 2 | ||||
| 7 | 241 | 10 | 1 | ||||
| 8 | 177 | 17,10 | 1 | ||||
| 9 | 151 | 7 | |||||
| 10 | 127 | 10 | 1 | ||||
| 11 | 106 | 7 | |||||
| 12 | A7,15 | 6 | |||||
| 13 | 9A,16 | 7 | |||||
| 14 | 91 | A | |||||
| 15 | 87,10 | 1 | |||||
| 16 | 7F,16 | 7 |
Factors: Prime
127 is the 4th Mersenne number (p=7).