Compare 31886 vs 31891
| Property | 31886 | 31891 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 1071 × 1491 | 318911 |
| Prime factorization | 2 × 107 × 149 | 31891 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 107, 149, 214, 298, 15943, 31886 | 1, 31891 |
| Number of properties | 0 | 5 |
| Chen primes | 1636th | |
| Emirps | 693rd | |
| Isolated primes | 2445th | |
| Long primes | 1299th | |
| Primes | 3426th | |
| Roman numberals | ||
| Base 2 | 1111100100011102 | 1111100100100112 |
| Base 3 | 11212012223 | 11212020113 |
| Base 4 | 133020324 | 133021034 |
| Base 5 | 20100215 | 20100315 |
| Base 6 | 4033426 | 4033516 |
| Base 7 | 1616517 | 1616567 |
| Base 8 | 762168 | 762238 |
| Base 9 | 476589 | 476649 |
| Base 10 | 3188610 | 3189110 |
| Base 11 | 21a5811 | 21a6211 |
| Base 12 | 1655212 | 1655712 |
| Base 13 | 1168a13 | 1169213 |
| Base 14 | b89814 | b89d14 |
| Base 15 | 96ab15 | 96b115 |
| Base 16 | 7c8e16 | 7c9316 |