Compare 664019 vs 664020
| Property | 664019 | 664020 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 6 |
| Total factors | 1 | 8 |
| Prime factorization | 6640191 | 22 × 32 × 51 × 71 × 171 × 311 |
| Prime factorization | 664019 | 2 × 2 × 3 × 3 × 5 × 7 × 17 × 31 |
| Divisors count | 2 | 144 |
| Divisors | 1, 664019 | 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 31, 34, 35, 36, 42, 45, 51, 60, 62, 63, 68, 70, 84, 85, 90, 93, 102, 105, 119, 124, 126, 140, 153, 155, 170, 180, 186, 204, 210, 217, 238, 252, 255, 279, 306, 310, 315, 340, 357, 372, 420, 434, 465, 476, 510, 527, 558, 595, 612, 620, 630, 651, 714, 765, 868, 930, 1020, 1054, 1071, 1085, 1116, 1190, 1260, 1302, 1395, 1428, 1530, 1581, 1785, 1860, 1953, 2108, 2142, 2170, 2380, 2604, 2635, 2790, 3060, 3162, 3255, 3570, 3689, 3906, 4284, 4340, 4743, 5270, 5355, 5580, 6324, 6510, 7140, 7378, 7812, 7905, 9486, 9765, 10540, 10710, 11067, 13020, 14756, 15810, 18445, 18972, 19530, 21420, 22134, 23715, 31620, 33201, 36890, 39060, 44268, 47430, 55335, 66402, 73780, 94860, 110670, 132804, 166005, 221340, 332010, 664020 |
| Number of properties | 4 | 0 |
| Chen primes | 21069th | |
| Isolated primes | 42239th | |
| Primes | 53870th | |
| Safe primes | 3109th | |
| Roman numberals | ||
| Base 2 | 101000100001110100112 | 101000100001110101002 |
| Base 3 | 10202012120223 | 10202012121003 |
| Base 4 | 22020131034 | 22020131104 |
| Base 5 | 1322220345 | 1322220405 |
| Base 6 | 221220556 | 221221006 |
| Base 7 | 54336267 | 54336307 |
| Base 8 | 24207238 | 24207248 |
| Base 9 | 12217689 | 12217709 |
| Base 10 | 66401910 | 66402010 |
| Base 11 | 41398411 | 41398511 |
| Base 12 | 28032b12 | 28033012 |
| Base 13 | 1a331513 | 1a331613 |
| Base 14 | 133dbd14 | 133dc014 |
| Base 15 | d1b2e15 | d1b3015 |
| Base 16 | a21d316 | a21d416 |