Compare 129981 vs 129991
| Property | 129981 | 129991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 371 × 11711 | 611 × 21311 |
| Prime factorization | 3 × 37 × 1171 | 61 × 2131 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 37, 111, 1171, 3513, 43327, 129981 | 1, 61, 2131, 129991 |
| Number of properties | 0 | 1 |
| Semiprimes | 30017th | |
| Roman numberals | ||
| Base 2 | 111111011101111012 | 111111011110001112 |
| Base 3 | 201210220103 | 201210221113 |
| Base 4 | 1332323314 | 1332330134 |
| Base 5 | 131244115 | 131244315 |
| Base 6 | 24414336 | 24414516 |
| Base 7 | 10506457 | 10506617 |
| Base 8 | 3756758 | 3757078 |
| Base 9 | 2172639 | 2172749 |
| Base 10 | 12998110 | 12999110 |
| Base 11 | 8972511 | 8973411 |
| Base 12 | 6327912 | 6328712 |
| Base 13 | 4721713 | 4722413 |
| Base 14 | 3552514 | 3553114 |
| Base 15 | 287a615 | 287b115 |
| Base 16 | 1fbbd16 | 1fbc716 |