Compare 221223 vs 221231
| Property | 221223 | 221231 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 371 × 19931 | 1971 × 11231 |
| Prime factorization | 3 × 37 × 1993 | 197 × 1123 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 37, 111, 1993, 5979, 73741, 221223 | 1, 197, 1123, 221231 |
| Number of properties | 0 | 1 |
| Semiprimes | 49785th | |
| Roman numberals | ||
| Base 2 | 1101100000001001112 | 1101100000001011112 |
| Base 3 | 1020201101103 | 1020201102023 |
| Base 4 | 3120002134 | 3120002334 |
| Base 5 | 240343435 | 240344115 |
| Base 6 | 44241036 | 44241156 |
| Base 7 | 16106527 | 16106637 |
| Base 8 | 6600478 | 6600578 |
| Base 9 | 3664139 | 3664229 |
| Base 10 | 22122310 | 22123110 |
| Base 11 | 14123211 | 14123a11 |
| Base 12 | a803312 | a803b12 |
| Base 13 | 7990213 | 7990a13 |
| Base 14 | 5a89914 | 5a8a314 |
| Base 15 | 4583315 | 4583b15 |
| Base 16 | 3602716 | 3602f16 |