Compare 1285 vs 1286
Property | 1285 | 1286 |
---|---|---|
Type | semiprime | semiprime |
Unique factors | 2 | 2 |
Total factors | 2 | 2 |
Prime factorization | 51 × 2571 | 21 × 6431 |
Prime factorization | 5 × 257 | 2 × 643 |
Divisors count | 4 | 4 |
Divisors | 1, 5, 257, 1285 | 1, 2, 643, 1286 |
Number of properties | 1 | 1 |
Semiprimes | 378th | 379th |
Roman numberals | MCCLXXXV | MCCLXXXVI |
Base 2 | 101000001012 | 101000001102 |
Base 3 | 12021213 | 12021223 |
Base 4 | 1100114 | 1100124 |
Base 5 | 201205 | 201215 |
Base 6 | 55416 | 55426 |
Base 7 | 35147 | 35157 |
Base 8 | 24058 | 24068 |
Base 9 | 16779 | 16789 |
Base 10 | 128510 | 128610 |
Base 11 | a6911 | a6a11 |
Base 12 | 8b112 | 8b212 |
Base 13 | 77b13 | 77c13 |
Base 14 | 67b14 | 67c14 |
Base 15 | 5aa15 | 5ab15 |
Base 16 | 50516 | 50616 |