Compare 201221 vs 201228
| Property | 201221 | 201228 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 311 × 64911 | 22 × 31 × 411 × 4091 |
| Prime factorization | 31 × 6491 | 2 × 2 × 3 × 41 × 409 |
| Divisors count | 4 | 24 |
| Divisors | 1, 31, 6491, 201221 | 1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 409, 492, 818, 1227, 1636, 2454, 4908, 16769, 33538, 50307, 67076, 100614, 201228 |
| Number of properties | 1 | 0 |
| Semiprimes | 45508th | |
| Roman numberals | ||
| Base 2 | 1100010010000001012 | 1100010010000011002 |
| Base 3 | 1010200001223 | 1010200002203 |
| Base 4 | 3010200114 | 3010200304 |
| Base 5 | 224143415 | 224144035 |
| Base 6 | 41513256 | 41513406 |
| Base 7 | 14654367 | 14654467 |
| Base 8 | 6110058 | 6110148 |
| Base 9 | 3360189 | 3360269 |
| Base 10 | 20122110 | 20122810 |
| Base 11 | 1281a911 | 12820511 |
| Base 12 | 9854512 | 9855012 |
| Base 13 | 7078713 | 7079113 |
| Base 14 | 5348d14 | 5349614 |
| Base 15 | 3e94b15 | 3e95315 |
| Base 16 | 3120516 | 3120c16 |