Compare 137981 vs 137991
| Property | 137981 | 137991 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 311 × 44511 | 31 × 71 × 65711 |
| Prime factorization | 31 × 4451 | 3 × 7 × 6571 |
| Divisors count | 4 | 8 |
| Divisors | 1, 31, 4451, 137981 | 1, 3, 7, 21, 6571, 19713, 45997, 137991 |
| Number of properties | 1 | 0 |
| Semiprimes | 31747th | |
| Roman numberals | ||
| Base 2 | 1000011010111111012 | 1000011011000001112 |
| Base 3 | 210000211023 | 210000212103 |
| Base 4 | 2012233314 | 2012300134 |
| Base 5 | 134034115 | 134034315 |
| Base 6 | 25424456 | 25425036 |
| Base 7 | 11131647 | 11132107 |
| Base 8 | 4153758 | 4154078 |
| Base 9 | 2302429 | 2302539 |
| Base 10 | 13798110 | 13799110 |
| Base 11 | 9473811 | 9474711 |
| Base 12 | 67a2512 | 67a3312 |
| Base 13 | 4aa5c13 | 4aa6913 |
| Base 14 | 383db14 | 3840714 |
| Base 15 | 2ad3b15 | 2ad4615 |
| Base 16 | 21afd16 | 21b0716 |