Compare 21390 vs 21402
| Property | 21390 | 21402 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 5 | 4 |
| Total factors | 5 | 5 |
| Prime factorization | 21 × 31 × 51 × 231 × 311 | 21 × 32 × 291 × 411 |
| Prime factorization | 2 × 3 × 5 × 23 × 31 | 2 × 3 × 3 × 29 × 41 |
| Divisors count | 32 | 24 |
| Divisors | 1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 1426, 2139, 3565, 4278, 7130, 10695, 21390 | 1, 2, 3, 6, 9, 18, 29, 41, 58, 82, 87, 123, 174, 246, 261, 369, 522, 738, 1189, 2378, 3567, 7134, 10701, 21402 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010011100011102 | 1010011100110102 |
| Base 3 | 10021000203 | 10021002003 |
| Base 4 | 110320324 | 110321224 |
| Base 5 | 11410305 | 11411025 |
| Base 6 | 2430106 | 2430306 |
| Base 7 | 1162357 | 1162537 |
| Base 8 | 516168 | 516328 |
| Base 9 | 323069 | 323209 |
| Base 10 | 2139010 | 2140210 |
| Base 11 | 1508611 | 1509711 |
| Base 12 | 1046612 | 1047612 |
| Base 13 | 997513 | 998413 |
| Base 14 | 7b1c14 | 7b2a14 |
| Base 15 | 651015 | 651c15 |
| Base 16 | 538e16 | 539a16 |