Compare 138899 vs 138901
| Property | 138899 | 138901 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1388991 | 71 × 198431 |
| Prime factorization | 138899 | 7 × 19843 |
| Divisors count | 2 | 4 |
| Divisors | 1, 138899 | 1, 7, 19843, 138901 |
| Number of properties | 7 | 1 |
| Chen primes | 5567th | |
| Emirps | 2675th | |
| Isolated primes | 9721st | |
| Long primes | 4832nd | |
| Primes | 12920th | |
| Semiprimes | 31945th | |
| Sexy primes (2nd member) | 3186th | |
| Ulam primes | 910th | |
| Roman numberals | ||
| Base 2 | 1000011110100100112 | 1000011110100101012 |
| Base 3 | 210011121023 | 210011121113 |
| Base 4 | 2013221034 | 2013221114 |
| Base 5 | 134210445 | 134211015 |
| Base 6 | 25510156 | 25510216 |
| Base 7 | 11156457 | 11156507 |
| Base 8 | 4172238 | 4172258 |
| Base 9 | 2314729 | 2314749 |
| Base 10 | 13889910 | 13890110 |
| Base 11 | 953a211 | 953a411 |
| Base 12 | 6846b12 | 6847112 |
| Base 13 | 4b2b713 | 4b2b913 |
| Base 14 | 3889514 | 3889714 |
| Base 15 | 2b24e15 | 2b25115 |
| Base 16 | 21e9316 | 21e9516 |