Compare 990497 vs 990509
| Property | 990497 | 990509 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 9904971 | 132 × 58611 |
| Prime factorization | 990497 | 13 × 13 × 5861 |
| Divisors count | 2 | 6 |
| Divisors | 1, 990497 | 1, 13, 169, 5861, 76193, 990509 |
| Number of properties | 5 | 0 |
| Chen primes | 29716th | |
| Isolated primes | 61603rd | |
| Primes | 77814th | |
| Sexy primes (1st member) | 16251st | |
| Ulam primes | 5707th | |
| Roman numberals | ||
| Base 2 | 111100011101001000012 | 111100011101001011012 |
| Base 3 | 12120222010023 | 12120222011123 |
| Base 4 | 33013102014 | 33013102314 |
| Base 5 | 2231434425 | 2231440145 |
| Base 6 | 331213456 | 331214056 |
| Base 7 | 112635147 | 112635327 |
| Base 8 | 36164418 | 36164558 |
| Base 9 | 17686329 | 17686459 |
| Base 10 | 99049710 | 99050910 |
| Base 11 | 6171a211 | 61720311 |
| Base 12 | 3b925512 | 3b926512 |
| Base 13 | 288ac113 | 288b0013 |
| Base 14 | 1bad7b14 | 1bad8914 |
| Base 15 | 14873215 | 14873e15 |
| Base 16 | f1d2116 | f1d2d16 |