Compare 991989 vs 991997
| Property | 991989 | 991997 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 32 × 1102211 | 731 × 1071 × 1271 |
| Prime factorization | 3 × 3 × 110221 | 73 × 107 × 127 |
| Divisors count | 6 | 8 |
| Divisors | 1, 3, 9, 110221, 330663, 991989 | 1, 73, 107, 127, 7811, 9271, 13589, 991997 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 111100100010111101012 | 111100100010111111012 |
| Base 3 | 12121012021003 | 12121012021223 |
| Base 4 | 33020233114 | 33020233314 |
| Base 5 | 2232204245 | 2232204425 |
| Base 6 | 331323136 | 331323256 |
| Base 7 | 113010457 | 113010567 |
| Base 8 | 36213658 | 36213758 |
| Base 9 | 17716709 | 17716789 |
| Base 10 | 99198910 | 99199710 |
| Base 11 | 61832911 | 61833611 |
| Base 12 | 3ba09912 | 3ba0a512 |
| Base 13 | 28969b13 | 2896a613 |
| Base 14 | 1bb72514 | 1bb72d14 |
| Base 15 | 148dc915 | 148dd215 |
| Base 16 | f22f516 | f22fd16 |