Compare 201923 vs 201931
| Property | 201923 | 201931 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2019231 | 1131 × 17871 |
| Prime factorization | 201923 | 113 × 1787 |
| Divisors count | 2 | 4 |
| Divisors | 1, 201923 | 1, 113, 1787, 201931 |
| Number of properties | 4 | 1 |
| Additive primes | 7298th | |
| Cousin primes (2nd member) | 2154th | |
| Isolated primes | 13796th | |
| Primes | 18141st | |
| Semiprimes | 45648th | |
| Roman numberals | ||
| Base 2 | 1100010100110000112 | 1100010100110010112 |
| Base 3 | 1010202221223 | 1010202222213 |
| Base 4 | 3011030034 | 3011030234 |
| Base 5 | 224301435 | 224302115 |
| Base 6 | 41544556 | 41545116 |
| Base 7 | 15004617 | 15005027 |
| Base 8 | 6123038 | 6123138 |
| Base 9 | 3368789 | 3368879 |
| Base 10 | 20192310 | 20193110 |
| Base 11 | 12878711 | 12879411 |
| Base 12 | 98a2b12 | 98a3712 |
| Base 13 | 70ba713 | 70bb213 |
| Base 14 | 5383114 | 5383914 |
| Base 15 | 3ec6815 | 3ec7115 |
| Base 16 | 314c316 | 314cb16 |