Compare 1247 vs 1285
Property | 1247 | 1285 |
---|---|---|
Type | semiprime | semiprime |
Unique factors | 2 | 2 |
Total factors | 2 | 2 |
Prime factorization | 291 × 431 | 51 × 2571 |
Prime factorization | 29 × 43 | 5 × 257 |
Divisors count | 4 | 4 |
Divisors | 1, 29, 43, 1247 | 1, 5, 257, 1285 |
Number of properties | 1 | 1 |
Semiprimes | 367th | 378th |
Roman numberals | MCCXLVII | MCCLXXXV |
Base 2 | 100110111112 | 101000001012 |
Base 3 | 12010123 | 12021213 |
Base 4 | 1031334 | 1100114 |
Base 5 | 144425 | 201205 |
Base 6 | 54356 | 55416 |
Base 7 | 34317 | 35147 |
Base 8 | 23378 | 24058 |
Base 9 | 16359 | 16779 |
Base 10 | 124710 | 128510 |
Base 11 | a3411 | a6911 |
Base 12 | 87b12 | 8b112 |
Base 13 | 74c13 | 77b13 |
Base 14 | 65114 | 67b14 |
Base 15 | 58215 | 5aa15 |
Base 16 | 4df16 | 50516 |