Primorial Number System
Another proposal is the number system with successive prime numbers as radix, whose place values are primorial numbers:
| radix: | 17 | 13 | 11 | 7 | 5 | 3 | 2 |
| place value: | (p6=13)# | (p5=11)# | (p4=7)# | (p3=5)# | (p2=3)# | (p1=2)# | (p0=1)# |
| decimal: | 30030 | 2310 | 210 | 30 | 6 | 2 | 1 |
- where, and pj = jth prime, p0# = p0 = 1.
Read more about this topic: Mixed Radix
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