Compare 30990 vs 30991
Property | 30990 | 30991 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 4 | 2 |
Total factors | 4 | 2 |
Prime factorization | 21 × 31 × 51 × 10331 | 171 × 18231 |
Prime factorization | 2 × 3 × 5 × 1033 | 17 × 1823 |
Divisors count | 16 | 4 |
Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 1033, 2066, 3099, 5165, 6198, 10330, 15495, 30990 | 1, 17, 1823, 30991 |
Number of properties | 0 | 1 |
Semiprimes | 7701st | |
Roman numberals | ||
Base 2 | 1111001000011102 | 1111001000011112 |
Base 3 | 11201112103 | 11201112113 |
Base 4 | 132100324 | 132100334 |
Base 5 | 14424305 | 14424315 |
Base 6 | 3552506 | 3552516 |
Base 7 | 1562317 | 1562327 |
Base 8 | 744168 | 744178 |
Base 9 | 464539 | 464549 |
Base 10 | 3099010 | 3099110 |
Base 11 | 2131311 | 2131411 |
Base 12 | 15b2612 | 15b2712 |
Base 13 | 1114b13 | 1114c13 |
Base 14 | b41814 | b41914 |
Base 15 | 92b015 | 92b115 |
Base 16 | 790e16 | 790f16 |