Compare 18930 vs 18931
Property | 18930 | 18931 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 4 | 2 |
Total factors | 4 | 2 |
Prime factorization | 21 × 31 × 51 × 6311 | 111 × 17211 |
Prime factorization | 2 × 3 × 5 × 631 | 11 × 1721 |
Divisors count | 16 | 4 |
Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 631, 1262, 1893, 3155, 3786, 6310, 9465, 18930 | 1, 11, 1721, 18931 |
Number of properties | 0 | 1 |
Semiprimes | 4825th | |
Roman numberals | ||
Base 2 | 1001001111100102 | 1001001111100112 |
Base 3 | 2212220103 | 2212220113 |
Base 4 | 102133024 | 102133034 |
Base 5 | 11012105 | 11012115 |
Base 6 | 2233506 | 2233516 |
Base 7 | 1061227 | 1061237 |
Base 8 | 447628 | 447638 |
Base 9 | 278639 | 278649 |
Base 10 | 1893010 | 1893110 |
Base 11 | 1324a11 | 1325011 |
Base 12 | ab5612 | ab5712 |
Base 13 | 880213 | 880313 |
Base 14 | 6c8214 | 6c8314 |
Base 15 | 592015 | 592115 |
Base 16 | 49f216 | 49f316 |