Compare 200909 vs 200912
| Property | 200909 | 200912 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 3 | 
| Total factors | 1 | 6 | 
| Prime factorization | 2009091 | 24 × 291 × 4331 | 
| Prime factorization | 200909 | 2 × 2 × 2 × 2 × 29 × 433 | 
| Divisors count | 2 | 20 | 
| Divisors | 1, 200909 | 1, 2, 4, 8, 16, 29, 58, 116, 232, 433, 464, 866, 1732, 3464, 6928, 12557, 25114, 50228, 100456, 200912 | 
| Number of properties | 6 | 0 | 
| Chen primes | 7551st | |
| Isolated primes | 13732nd | |
| Long primes | 6766th | |
| Primes | 18055th | |
| Pythagorean primes | 9012th | |
| Sexy primes (2nd member) | 4312th | |
| Roman numberals | ||
| Base 2 | 1100010000110011012 | 1100010000110100002 | 
| Base 3 | 1010121210023 | 1010121210123 | 
| Base 4 | 3010030314 | 3010031004 | 
| Base 5 | 224121145 | 224121225 | 
| Base 6 | 41500456 | 41500526 | 
| Base 7 | 14645127 | 14645157 | 
| Base 8 | 6103158 | 6103208 | 
| Base 9 | 3355329 | 3355359 | 
| Base 10 | 20090910 | 20091210 | 
| Base 11 | 127a4511 | 127a4811 | 
| Base 12 | 9832512 | 9832812 | 
| Base 13 | 705a713 | 705aa13 | 
| Base 14 | 5330914 | 5330c14 | 
| Base 15 | 3e7de15 | 3e7e215 | 
| Base 16 | 310cd16 | 310d016 |