Compare 121818 vs 121830
| Property | 121818 | 121830 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 5 |
| Total factors | 4 | 5 |
| Prime factorization | 21 × 31 × 791 × 2571 | 21 × 31 × 51 × 311 × 1311 |
| Prime factorization | 2 × 3 × 79 × 257 | 2 × 3 × 5 × 31 × 131 |
| Divisors count | 16 | 32 |
| Divisors | 1, 2, 3, 6, 79, 158, 237, 257, 474, 514, 771, 1542, 20303, 40606, 60909, 121818 | 1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 131, 155, 186, 262, 310, 393, 465, 655, 786, 930, 1310, 1965, 3930, 4061, 8122, 12183, 20305, 24366, 40610, 60915, 121830 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 111011011110110102 | 111011011111001102 |
| Base 3 | 200120022103 | 200120100203 |
| Base 4 | 1312331224 | 1312332124 |
| Base 5 | 123442335 | 123443105 |
| Base 6 | 23355506 | 23400106 |
| Base 7 | 10151047 | 10151227 |
| Base 8 | 3557328 | 3557468 |
| Base 9 | 2050839 | 2051069 |
| Base 10 | 12181810 | 12183010 |
| Base 11 | 8358411 | 8359511 |
| Base 12 | 5a5b612 | 5a60612 |
| Base 13 | 435a813 | 435b713 |
| Base 14 | 3257414 | 3258214 |
| Base 15 | 2616315 | 2617015 |
| Base 16 | 1dbda16 | 1dbe616 |