Compare 28638 vs 28642
Property | 28638 | 28642 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 4 | 2 |
Total factors | 5 | 2 |
Prime factorization | 21 × 32 × 371 × 431 | 21 × 143211 |
Prime factorization | 2 × 3 × 3 × 37 × 43 | 2 × 14321 |
Divisors count | 24 | 4 |
Divisors | 1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 774, 1591, 3182, 4773, 9546, 14319, 28638 | 1, 2, 14321, 28642 |
Number of properties | 0 | 1 |
Semiprimes | 7130th | |
Roman numberals | ||
Base 2 | 1101111110111102 | 1101111111000102 |
Base 3 | 11100212003 | 11100212113 |
Base 4 | 123331324 | 123332024 |
Base 5 | 14040235 | 14040325 |
Base 6 | 3403306 | 3403346 |
Base 7 | 1463317 | 1463357 |
Base 8 | 677368 | 677428 |
Base 9 | 432509 | 432549 |
Base 10 | 2863810 | 2864210 |
Base 11 | 1a57511 | 1a57911 |
Base 12 | 146a612 | 146aa12 |
Base 13 | 1005c13 | 1006313 |
Base 14 | a61814 | a61c14 |
Base 15 | 874315 | 874715 |
Base 16 | 6fde16 | 6fe216 |