Compare 990154 vs 990161
| Property | 990154 | 990161 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 111 × 450071 | 431 × 230271 |
| Prime factorization | 2 × 11 × 45007 | 43 × 23027 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 11, 22, 45007, 90014, 495077, 990154 | 1, 43, 23027, 990161 |
| Number of properties | 0 | 1 |
| Semiprimes | 208069th | |
| Roman numberals | ||
| Base 2 | 111100011011110010102 | 111100011011110100012 |
| Base 3 | 12120220201013 | 12120220201223 |
| Base 4 | 33012330224 | 33012331014 |
| Base 5 | 2231411045 | 2231411215 |
| Base 6 | 331200146 | 331200256 |
| Base 7 | 112625147 | 112625247 |
| Base 8 | 36157128 | 36157218 |
| Base 9 | 17682119 | 17682189 |
| Base 10 | 99015410 | 99016110 |
| Base 11 | 616a1011 | 616a1711 |
| Base 12 | 3b900a12 | 3b901512 |
| Base 13 | 2888b913 | 2888c313 |
| Base 14 | 1babb414 | 1babbb14 |
| Base 15 | 1485a415 | 1485ab15 |
| Base 16 | f1bca16 | f1bd116 |