Compare 20123 vs 20129
| Property | 20123 | 20129 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 201231 | 201291 | 
| Prime factorization | 20123 | 20129 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 20123 | 1, 20129 | 
| Number of properties | 6 | 6 | 
| Chen primes | 1119th | |
| Isolated primes | 1591st | 1592nd | 
| Primes | 2276th | 2277th | 
| Pythagorean primes | 1132nd | |
| Safe primes | 191st | |
| Sexy primes (1st member) | 698th | |
| Sexy primes (2nd member) | 697th | 698th | 
| Sexy prime triplets (2nd member) | 192nd | |
| Sexy prime triplets (3rd member) | 192nd | |
| Roman numberals | ||
| Base 2 | 1001110100110112 | 1001110101000012 | 
| Base 3 | 10001210223 | 10001211123 | 
| Base 4 | 103221234 | 103222014 | 
| Base 5 | 11204435 | 11210045 | 
| Base 6 | 2330556 | 2331056 | 
| Base 7 | 1124457 | 1124547 | 
| Base 8 | 472338 | 472418 | 
| Base 9 | 305389 | 305459 | 
| Base 10 | 2012310 | 2012910 | 
| Base 11 | 1413411 | 1413a11 | 
| Base 12 | b78b12 | b79512 | 
| Base 13 | 920c13 | 921513 | 
| Base 14 | 749514 | 749b14 | 
| Base 15 | 5e6815 | 5e6e15 | 
| Base 16 | 4e9b16 | 4ea116 |