Compare 201217 vs 201220
| Property | 201217 | 201220 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 3111 × 6471 | 22 × 51 × 100611 |
| Prime factorization | 311 × 647 | 2 × 2 × 5 × 10061 |
| Divisors count | 4 | 12 |
| Divisors | 1, 311, 647, 201217 | 1, 2, 4, 5, 10, 20, 10061, 20122, 40244, 50305, 100610, 201220 |
| Number of properties | 1 | 0 |
| Semiprimes | 45505th | |
| Roman numberals | ||
| Base 2 | 1100010010000000012 | 1100010010000001002 |
| Base 3 | 1010200001113 | 1010200001213 |
| Base 4 | 3010200014 | 3010200104 |
| Base 5 | 224143325 | 224143405 |
| Base 6 | 41513216 | 41513246 |
| Base 7 | 14654327 | 14654357 |
| Base 8 | 6110018 | 6110048 |
| Base 9 | 3360149 | 3360179 |
| Base 10 | 20121710 | 20122010 |
| Base 11 | 1281a511 | 1281a811 |
| Base 12 | 9854112 | 9854412 |
| Base 13 | 7078313 | 7078613 |
| Base 14 | 5348914 | 5348c14 |
| Base 15 | 3e94715 | 3e94a15 |
| Base 16 | 3120116 | 3120416 |