Compare 121985 vs 121987
| Property | 121985 | 121987 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 51 × 311 × 7871 | 1991 × 6131 |
| Prime factorization | 5 × 31 × 787 | 199 × 613 |
| Divisors count | 8 | 4 |
| Divisors | 1, 5, 31, 155, 787, 3935, 24397, 121985 | 1, 199, 613, 121987 |
| Number of properties | 0 | 1 |
| Semiprimes | 28270th | |
| Roman numberals | ||
| Base 2 | 111011100100000012 | 111011100100000112 |
| Base 3 | 200120222223 | 200121000013 |
| Base 4 | 1313020014 | 1313020034 |
| Base 5 | 124004205 | 124004225 |
| Base 6 | 23404256 | 23404316 |
| Base 7 | 10154337 | 10154357 |
| Base 8 | 3562018 | 3562038 |
| Base 9 | 2052889 | 2053019 |
| Base 10 | 12198510 | 12198710 |
| Base 11 | 8371611 | 8371811 |
| Base 12 | 5a71512 | 5a71712 |
| Base 13 | 436a613 | 436a813 |
| Base 14 | 3265314 | 3265514 |
| Base 15 | 2622515 | 2622715 |
| Base 16 | 1dc8116 | 1dc8316 |