Compare 18947 vs 20123
| Property | 18947 | 20123 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189471 | 201231 |
| Prime factorization | 18947 | 20123 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18947 | 1, 20123 |
| Number of properties | 5 | 6 |
| Additive primes | 1007th | |
| Chen primes | 1068th | |
| Isolated primes | 1502nd | 1591st |
| Primes | 2155th | 2276th |
| Safe primes | 185th | 191st |
| Sexy primes (1st member) | 698th | |
| Sexy primes (2nd member) | 697th | |
| Sexy prime triplets (2nd member) | 192nd | |
| Roman numberals | ||
| Base 2 | 1001010000000112 | 1001110100110112 |
| Base 3 | 2212222023 | 10001210223 |
| Base 4 | 102200034 | 103221234 |
| Base 5 | 11012425 | 11204435 |
| Base 6 | 2234156 | 2330556 |
| Base 7 | 1061457 | 1124457 |
| Base 8 | 450038 | 472338 |
| Base 9 | 278829 | 305389 |
| Base 10 | 1894710 | 2012310 |
| Base 11 | 1326511 | 1413411 |
| Base 12 | ab6b12 | b78b12 |
| Base 13 | 881613 | 920c13 |
| Base 14 | 6c9514 | 749514 |
| Base 15 | 593215 | 5e6815 |
| Base 16 | 4a0316 | 4e9b16 |