Compare 990489 vs 990497
| Property | 990489 | 990497 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 191 × 173771 | 9904971 |
| Prime factorization | 3 × 19 × 17377 | 990497 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 19, 57, 17377, 52131, 330163, 990489 | 1, 990497 |
| Number of properties | 0 | 5 |
| Chen primes | 29716th | |
| Isolated primes | 61603rd | |
| Primes | 77814th | |
| Sexy primes (1st member) | 16251st | |
| Ulam primes | 5707th | |
| Roman numberals | ||
| Base 2 | 111100011101000110012 | 111100011101001000012 |
| Base 3 | 12120222002103 | 12120222010023 |
| Base 4 | 33013101214 | 33013102014 |
| Base 5 | 2231434245 | 2231434425 |
| Base 6 | 331213336 | 331213456 |
| Base 7 | 112635037 | 112635147 |
| Base 8 | 36164318 | 36164418 |
| Base 9 | 17686239 | 17686329 |
| Base 10 | 99048910 | 99049710 |
| Base 11 | 61719511 | 6171a211 |
| Base 12 | 3b924912 | 3b925512 |
| Base 13 | 288ab613 | 288ac113 |
| Base 14 | 1bad7314 | 1bad7b14 |
| Base 15 | 14872915 | 14873215 |
| Base 16 | f1d1916 | f1d2116 |