Compare 138887 vs 138907
| Property | 138887 | 138907 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 198411 | 171 × 81711 |
| Prime factorization | 7 × 19841 | 17 × 8171 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 19841, 138887 | 1, 17, 8171, 138907 |
| Number of properties | 1 | 1 |
| Semiprimes | 31943rd | 31947th |
| Roman numberals | ||
| Base 2 | 1000011110100001112 | 1000011110100110112 |
| Base 3 | 210011112223 | 210011122013 |
| Base 4 | 2013220134 | 2013221234 |
| Base 5 | 134210225 | 134211125 |
| Base 6 | 25505556 | 25510316 |
| Base 7 | 11156307 | 11156567 |
| Base 8 | 4172078 | 4172338 |
| Base 9 | 2314589 | 2314819 |
| Base 10 | 13888710 | 13890710 |
| Base 11 | 9539111 | 953aa11 |
| Base 12 | 6845b12 | 6847712 |
| Base 13 | 4b2a813 | 4b2c213 |
| Base 14 | 3888714 | 3889d14 |
| Base 15 | 2b24215 | 2b25715 |
| Base 16 | 21e8716 | 21e9b16 |