Compare 20639 vs 20903
| Property | 20639 | 20903 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 209031 |
| Prime factorization | 20639 | 20903 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 20903 |
| Number of properties | 4 | 7 |
| Chen primes | 1143rd | |
| Cousin primes (2nd member) | 356th | |
| Happy primes | 384th | 389th |
| Harmonic primes | 863rd | |
| Isolated primes | 1641st | |
| Primes | 2326th | 2352nd |
| Prime triplets (3rd member) | 174th | |
| Sexy primes (2nd member) | 713th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010001101001112 |
| Base 3 | 10010221023 | 10012000123 |
| Base 4 | 110021334 | 110122134 |
| Base 5 | 11300245 | 11321035 |
| Base 6 | 2353156 | 2404356 |
| Base 7 | 1141137 | 1146417 |
| Base 8 | 502378 | 506478 |
| Base 9 | 312729 | 316059 |
| Base 10 | 2063910 | 2090310 |
| Base 11 | 1456311 | 1478311 |
| Base 12 | bb3b12 | 1011b12 |
| Base 13 | 951813 | 968c13 |
| Base 14 | 774314 | 789114 |
| Base 15 | 61ae15 | 62d815 |
| Base 16 | 509f16 | 51a716 |