Compare 201216 vs 201221
| Property | 201216 | 201221 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 11 | 2 |
| Prime factorization | 29 × 31 × 1311 | 311 × 64911 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 131 | 31 × 6491 |
| Divisors count | 40 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 262, 384, 393, 512, 524, 768, 786, 1048, 1536, 1572, 2096, 3144, 4192, 6288, 8384, 12576, 16768, 25152, 33536, 50304, 67072, 100608, 201216 | 1, 31, 6491, 201221 |
| Number of properties | 0 | 1 |
| Semiprimes | 45508th | |
| Roman numberals | ||
| Base 2 | 1100010010000000002 | 1100010010000001012 |
| Base 3 | 1010200001103 | 1010200001223 |
| Base 4 | 3010200004 | 3010200114 |
| Base 5 | 224143315 | 224143415 |
| Base 6 | 41513206 | 41513256 |
| Base 7 | 14654317 | 14654367 |
| Base 8 | 6110008 | 6110058 |
| Base 9 | 3360139 | 3360189 |
| Base 10 | 20121610 | 20122110 |
| Base 11 | 1281a411 | 1281a911 |
| Base 12 | 9854012 | 9854512 |
| Base 13 | 7078213 | 7078713 |
| Base 14 | 5348814 | 5348d14 |
| Base 15 | 3e94615 | 3e94b15 |
| Base 16 | 3120016 | 3120516 |