Compare 201221 vs 201225
| Property | 201221 | 201225 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 311 × 64911 | 31 × 52 × 26831 |
| Prime factorization | 31 × 6491 | 3 × 5 × 5 × 2683 |
| Divisors count | 4 | 12 |
| Divisors | 1, 31, 6491, 201221 | 1, 3, 5, 15, 25, 75, 2683, 8049, 13415, 40245, 67075, 201225 |
| Number of properties | 1 | 0 |
| Semiprimes | 45508th | |
| Roman numberals | ||
| Base 2 | 1100010010000001012 | 1100010010000010012 |
| Base 3 | 1010200001223 | 1010200002103 |
| Base 4 | 3010200114 | 3010200214 |
| Base 5 | 224143415 | 224144005 |
| Base 6 | 41513256 | 41513336 |
| Base 7 | 14654367 | 14654437 |
| Base 8 | 6110058 | 6110118 |
| Base 9 | 3360189 | 3360239 |
| Base 10 | 20122110 | 20122510 |
| Base 11 | 1281a911 | 12820211 |
| Base 12 | 9854512 | 9854912 |
| Base 13 | 7078713 | 7078b13 |
| Base 14 | 5348d14 | 5349314 |
| Base 15 | 3e94b15 | 3e95015 |
| Base 16 | 3120516 | 3120916 |