Compare 138239 vs 139457
| Property | 138239 | 139457 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1382391 | 1394571 |
| Prime factorization | 138239 | 139457 |
| Divisors count | 2 | 2 |
| Divisors | 1, 138239 | 1, 139457 |
| Number of properties | 5 | 8 |
| Additive primes | 5352nd | |
| Chen primes | 5543rd | 5586th |
| Emirps | 2690th | |
| Harmonic primes | 4828th | 4869th |
| Long primes | 4845th | |
| Primes | 12861st | 12963rd |
| Pythagorean primes | 6457th | |
| Safe primes | 871st | |
| Twin primes (1st member) | 1595th | 1605th |
| Roman numberals | ||
| Base 2 | 1000011011111111112 | 1000100000110000012 |
| Base 3 | 210001212223 | 210020220023 |
| Base 4 | 2012333334 | 2020030014 |
| Base 5 | 134104245 | 134303125 |
| Base 6 | 25435556 | 25533456 |
| Base 7 | 11140137 | 11204037 |
| Base 8 | 4157778 | 4203018 |
| Base 9 | 2305589 | 2322629 |
| Base 10 | 13823910 | 13945710 |
| Base 11 | 9495211 | 9585a11 |
| Base 12 | 67bbb12 | 6885512 |
| Base 13 | 4abca13 | 4b62613 |
| Base 14 | 3854314 | 38b7314 |
| Base 15 | 2ae5e15 | 2b4c215 |
| Base 16 | 21bff16 | 220c116 |