The folowing table expresses '157' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|
| 2 | 10011101 | 101 | 10 | 1 | ||||
| 3 | 12211 | 21,10 | 1 | |||||
| 4 | 2131 | 13,10 | 1 | |||||
| 5 | 1112 | 10 | 1 | |||||
| 6 | 421 | 11 | 2 | |||||
| 7 | 313 | 10 | 1 | |||||
| 8 | 235 | 12 | 3 | |||||
| 9 | 184 | 14 | 5 | |||||
| 10 | 157 | 13 | 4 | |||||
| 11 | 133 | 7 | ||||||
| 12 | 111 | 3 | ||||||
| 13 | C1,10 | 1 | ||||||
| 14 | B3,10 | 1 | ||||||
| 15 | A7,12 | 3 | ||||||
| 16 | 9D,16 | 7 |
Factors: Prime
157 is in the Pythagorean Triple: (85, 132, 157).