Compare 200901 vs 200909
| Property | 200901 | 200909 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 1671 × 4011 | 2009091 |
| Prime factorization | 3 × 167 × 401 | 200909 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 167, 401, 501, 1203, 66967, 200901 | 1, 200909 |
| Number of properties | 0 | 6 |
| Chen primes | 7551st | |
| Isolated primes | 13732nd | |
| Long primes | 6766th | |
| Primes | 18055th | |
| Pythagorean primes | 9012th | |
| Sexy primes (2nd member) | 4312th | |
| Roman numberals | ||
| Base 2 | 1100010000110001012 | 1100010000110011012 |
| Base 3 | 1010121202103 | 1010121210023 |
| Base 4 | 3010030114 | 3010030314 |
| Base 5 | 224121015 | 224121145 |
| Base 6 | 41500336 | 41500456 |
| Base 7 | 14645017 | 14645127 |
| Base 8 | 6103058 | 6103158 |
| Base 9 | 3355239 | 3355329 |
| Base 10 | 20090110 | 20090910 |
| Base 11 | 127a3811 | 127a4511 |
| Base 12 | 9831912 | 9832512 |
| Base 13 | 7059c13 | 705a713 |
| Base 14 | 5330114 | 5330914 |
| Base 15 | 3e7d615 | 3e7de15 |
| Base 16 | 310c516 | 310cd16 |