Compare 990154 vs 990163
| Property | 990154 | 990163 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 111 × 450071 | 9901631 |
| Prime factorization | 2 × 11 × 45007 | 990163 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 11, 22, 45007, 90014, 495077, 990154 | 1, 990163 |
| Number of properties | 0 | 3 |
| Isolated primes | 61583rd | |
| Primes | 77786th | |
| Sexy primes (1st member) | 16242nd | |
| Roman numberals | ||
| Base 2 | 111100011011110010102 | 111100011011110100112 |
| Base 3 | 12120220201013 | 12120220202013 |
| Base 4 | 33012330224 | 33012331034 |
| Base 5 | 2231411045 | 2231411235 |
| Base 6 | 331200146 | 331200316 |
| Base 7 | 112625147 | 112625267 |
| Base 8 | 36157128 | 36157238 |
| Base 9 | 17682119 | 17682219 |
| Base 10 | 99015410 | 99016310 |
| Base 11 | 616a1011 | 616a1911 |
| Base 12 | 3b900a12 | 3b901712 |
| Base 13 | 2888b913 | 2888c513 |
| Base 14 | 1babb414 | 1babbd14 |
| Base 15 | 1485a415 | 1485ad15 |
| Base 16 | f1bca16 | f1bd316 |