Compare 545987 vs 545990
| Property | 545987 | 545990 | 
|---|---|---|
| Type | semiprime | composite number | 
| Unique factors | 2 | 4 | 
| Total factors | 2 | 4 | 
| Prime factorization | 131 × 419991 | 21 × 51 × 711 × 7691 | 
| Prime factorization | 13 × 41999 | 2 × 5 × 71 × 769 | 
| Divisors count | 4 | 16 | 
| Divisors | 1, 13, 41999, 545987 | 1, 2, 5, 10, 71, 142, 355, 710, 769, 1538, 3845, 7690, 54599, 109198, 272995, 545990 | 
| Number of properties | 1 | 0 | 
| Semiprimes | 117815th | |
| Roman numberals | ||
| Base 2 | 100001010100110000112 | 100001010100110001102 | 
| Base 3 | 10002012212023 | 10002012212123 | 
| Base 4 | 20111030034 | 20111030124 | 
| Base 5 | 1144324225 | 1144324305 | 
| Base 6 | 154114156 | 154114226 | 
| Base 7 | 44325417 | 44325447 | 
| Base 8 | 20523038 | 20523068 | 
| Base 9 | 10218529 | 10218559 | 
| Base 10 | 54598710 | 54599010 | 
| Base 11 | 34323211 | 34323511 | 
| Base 12 | 223b6b12 | 223b7212 | 
| Base 13 | 16169013 | 16169313 | 
| Base 14 | 102d9114 | 102d9414 | 
| Base 15 | abb9215 | abb9515 | 
| Base 16 | 854c316 | 854c616 |