Compare 291997 vs 292005
| Property | 291997 | 292005 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 7 |
| Prime factorization | 2919971 | 34 × 51 × 71 × 1031 |
| Prime factorization | 291997 | 3 × 3 × 3 × 3 × 5 × 7 × 103 |
| Divisors count | 2 | 40 |
| Divisors | 1, 291997 | 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 103, 105, 135, 189, 309, 315, 405, 515, 567, 721, 927, 945, 1545, 2163, 2781, 2835, 3605, 4635, 6489, 8343, 10815, 13905, 19467, 32445, 41715, 58401, 97335, 292005 |
| Number of properties | 5 | 0 |
| Additive primes | 10116th | |
| Isolated primes | 19510th | |
| Left-truncatable primes | 395th | |
| Lucky primes | 3131st | |
| Primes | 25385th | |
| Roman numberals | ||
| Base 2 | 10001110100100111012 | 10001110100101001012 |
| Base 3 | 1122111122013 | 1122111200003 |
| Base 4 | 10131021314 | 10131022114 |
| Base 5 | 333204425 | 333210105 |
| Base 6 | 101315016 | 101315136 |
| Base 7 | 23242067 | 23242207 |
| Base 8 | 10722358 | 10722458 |
| Base 9 | 4844819 | 4845009 |
| Base 10 | 29199710 | 29200510 |
| Base 11 | 18a42211 | 18a42a11 |
| Base 12 | 120b9112 | 120b9912 |
| Base 13 | a2ba413 | a2bac13 |
| Base 14 | 785ad14 | 785b714 |
| Base 15 | 5b7b715 | 5b7c015 |
| Base 16 | 4749d16 | 474a516 |