Compare 990280 vs 990289
| Property | 990280 | 990289 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 23 × 51 × 191 × 13031 | 9902891 |
| Prime factorization | 2 × 2 × 2 × 5 × 19 × 1303 | 990289 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1303, 2606, 5212, 6515, 10424, 13030, 24757, 26060, 49514, 52120, 99028, 123785, 198056, 247570, 495140, 990280 | 1, 990289 |
| Number of properties | 0 | 8 |
| Additive primes | 29859th | |
| Chen primes | 29709th | |
| Cousin primes (1st member) | 8090th | |
| Emirps | 10957th | |
| Lucky primes | 8539th | |
| Primes | 77796th | |
| Prime triplets (2nd member) | 2817th | |
| Twin primes (2nd member) | 8104th | |
| Roman numberals | ||
| Base 2 | 111100011100010010002 | 111100011100010100012 |
| Base 3 | 12120221020013 | 12120221021013 |
| Base 4 | 33013010204 | 33013011014 |
| Base 5 | 2231421105 | 2231421245 |
| Base 6 | 331203446 | 331204016 |
| Base 7 | 112630547 | 112630667 |
| Base 8 | 36161108 | 36161218 |
| Base 9 | 17683619 | 17683719 |
| Base 10 | 99028010 | 99028910 |
| Base 11 | 61701511 | 61702311 |
| Base 12 | 3b90b412 | 3b910112 |
| Base 13 | 28898513 | 28899113 |
| Base 14 | 1bac6414 | 1bac6d14 |
| Base 15 | 14863a15 | 14864415 |
| Base 16 | f1c4816 | f1c5116 |