Compare 228990 vs 228991
| Property | 228990 | 228991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 5 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 31 × 51 × 171 × 4491 | 71 × 327131 |
| Prime factorization | 2 × 3 × 5 × 17 × 449 | 7 × 32713 |
| Divisors count | 32 | 4 |
| Divisors | 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 449, 510, 898, 1347, 2245, 2694, 4490, 6735, 7633, 13470, 15266, 22899, 38165, 45798, 76330, 114495, 228990 | 1, 7, 32713, 228991 |
| Number of properties | 0 | 1 |
| Semiprimes | 51438th | |
| Roman numberals | ||
| Base 2 | 1101111110011111102 | 1101111110011111112 |
| Base 3 | 1021220100103 | 1021220100113 |
| Base 4 | 3133213324 | 3133213334 |
| Base 5 | 243114305 | 243114315 |
| Base 6 | 45240506 | 45240516 |
| Base 7 | 16424167 | 16424207 |
| Base 8 | 6771768 | 6771778 |
| Base 9 | 3781039 | 3781049 |
| Base 10 | 22899010 | 22899110 |
| Base 11 | 14705311 | 14705411 |
| Base 12 | b062612 | b062712 |
| Base 13 | 802c813 | 802c913 |
| Base 14 | 5d64614 | 5d64714 |
| Base 15 | 47cb015 | 47cb115 |
| Base 16 | 37e7e16 | 37e7f16 |