Compare 990177 vs 990181
| Property | 990177 | 990181 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 2391 × 13811 | 9901811 |
| Prime factorization | 3 × 239 × 1381 | 990181 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 239, 717, 1381, 4143, 330059, 990177 | 1, 990181 |
| Number of properties | 0 | 3 |
| Chen primes | 29707th | |
| Primes | 77789th | |
| Twin primes (2nd member) | 8103rd | |
| Roman numberals | ||
| Base 2 | 111100011011111000012 | 111100011011111001012 |
| Base 3 | 12120220210203 | 12120220211013 |
| Base 4 | 33012332014 | 33012332114 |
| Base 5 | 2231412025 | 2231412115 |
| Base 6 | 331200536 | 331201016 |
| Base 7 | 112625467 | 112625537 |
| Base 8 | 36157418 | 36157458 |
| Base 9 | 17682369 | 17682419 |
| Base 10 | 99017710 | 99018110 |
| Base 11 | 616a3111 | 616a3511 |
| Base 12 | 3b902912 | 3b903112 |
| Base 13 | 28890613 | 28890a13 |
| Base 14 | 1babcd14 | 1babd314 |
| Base 15 | 1485bc15 | 1485c115 |
| Base 16 | f1be116 | f1be516 |