Compare 990442 vs 990491
| Property | 990442 | 990491 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 4952211 | 1311 × 75611 |
| Prime factorization | 2 × 495221 | 131 × 7561 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 495221, 990442 | 1, 131, 7561, 990491 |
| Number of properties | 1 | 1 |
| Semiprimes | 208123rd | 208133rd |
| Roman numberals | ||
| Base 2 | 111100011100111010102 | 111100011101000110112 |
| Base 3 | 12120221220013 | 12120222002123 |
| Base 4 | 33013032224 | 33013101234 |
| Base 5 | 2231432325 | 2231434315 |
| Base 6 | 331212146 | 331213356 |
| Base 7 | 112634057 | 112635057 |
| Base 8 | 36163528 | 36164338 |
| Base 9 | 17685619 | 17686259 |
| Base 10 | 99044210 | 99049110 |
| Base 11 | 61715211 | 61719711 |
| Base 12 | 3b920a12 | 3b924b12 |
| Base 13 | 288a7b13 | 288ab813 |
| Base 14 | 1bad3c14 | 1bad7514 |
| Base 15 | 1486e715 | 14872b15 |
| Base 16 | f1cea16 | f1d1b16 |