Compare 20903 vs 20906
| Property | 20903 | 20906 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 209031 | 21 × 104531 |
| Prime factorization | 20903 | 2 × 10453 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20903 | 1, 2, 10453, 20906 |
| Number of properties | 7 | 1 |
| Cousin primes (2nd member) | 356th | |
| Happy primes | 389th | |
| Harmonic primes | 863rd | |
| Isolated primes | 1641st | |
| Primes | 2352nd | |
| Prime triplets (3rd member) | 174th | |
| Semiprimes | 5304th | |
| Sexy primes (2nd member) | 713th | |
| Roman numberals | ||
| Base 2 | 1010001101001112 | 1010001101010102 |
| Base 3 | 10012000123 | 10012000223 |
| Base 4 | 110122134 | 110122224 |
| Base 5 | 11321035 | 11321115 |
| Base 6 | 2404356 | 2404426 |
| Base 7 | 1146417 | 1146447 |
| Base 8 | 506478 | 506528 |
| Base 9 | 316059 | 316089 |
| Base 10 | 2090310 | 2090610 |
| Base 11 | 1478311 | 1478611 |
| Base 12 | 1011b12 | 1012212 |
| Base 13 | 968c13 | 969213 |
| Base 14 | 789114 | 789414 |
| Base 15 | 62d815 | 62db15 |
| Base 16 | 51a716 | 51aa16 |