Compare 151221 vs 151230
| Property | 151221 | 151230 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 4 |
| Total factors | 4 | 5 |
| Prime factorization | 31 × 71 × 191 × 3791 | 21 × 31 × 51 × 712 |
| Prime factorization | 3 × 7 × 19 × 379 | 2 × 3 × 5 × 71 × 71 |
| Divisors count | 16 | 24 |
| Divisors | 1, 3, 7, 19, 21, 57, 133, 379, 399, 1137, 2653, 7201, 7959, 21603, 50407, 151221 | 1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 5041, 10082, 15123, 25205, 30246, 50410, 75615, 151230 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1001001110101101012 | 1001001110101111102 |
| Base 3 | 212001022103 | 212001100103 |
| Base 4 | 2103223114 | 2103223324 |
| Base 5 | 143143415 | 143144105 |
| Base 6 | 31240336 | 31240506 |
| Base 7 | 11666107 | 11666227 |
| Base 8 | 4472658 | 4472768 |
| Base 9 | 2503839 | 2504039 |
| Base 10 | 15122110 | 15123010 |
| Base 11 | a368411 | a369211 |
| Base 12 | 7361912 | 7362612 |
| Base 13 | 53aa513 | 53ab113 |
| Base 14 | 3d17714 | 3d18214 |
| Base 15 | 2ec1615 | 2ec2015 |
| Base 16 | 24eb516 | 24ebe16 |