Compare 206540 vs 206551
| Property | 206540 | 206551 | 
|---|---|---|
| Type | composite number | prime | 
| Unique factors | 4 | 1 | 
| Total factors | 5 | 1 | 
| Prime factorization | 22 × 51 × 231 × 4491 | 2065511 | 
| Prime factorization | 2 × 2 × 5 × 23 × 449 | 206551 | 
| Divisors count | 24 | 2 | 
| Divisors | 1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 449, 460, 898, 1796, 2245, 4490, 8980, 10327, 20654, 41308, 51635, 103270, 206540 | 1, 206551 | 
| Number of properties | 0 | 6 | 
| Additive primes | 7467th | |
| Happy primes | 2817th | |
| Harmonic primes | 6939th | |
| Isolated primes | 14086th | |
| Primes | 18517th | |
| Super primes | 2120th | |
| Roman numberals | ||
| Base 2 | 1100100110110011002 | 1100100110110101112 | 
| Base 3 | 1011110221223 | 1011111000013 | 
| Base 4 | 3021230304 | 3021231134 | 
| Base 5 | 231021305 | 231022015 | 
| Base 6 | 42321126 | 42321316 | 
| Base 7 | 15201057 | 15201227 | 
| Base 8 | 6233148 | 6233278 | 
| Base 9 | 3442789 | 3443019 | 
| Base 10 | 20654010 | 20655110 | 
| Base 11 | 1311a411 | 13120411 | 
| Base 12 | 9b63812 | 9b64712 | 
| Base 13 | 7301913 | 7302713 | 
| Base 14 | 553ac14 | 553b914 | 
| Base 15 | 412e515 | 4130115 | 
| Base 16 | 326cc16 | 326d716 |