Compare 20287 vs 20399
| Property | 20287 | 20399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 202871 | 203991 |
| Prime factorization | 20287 | 20399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20287 | 1, 20399 |
| Number of properties | 4 | 6 |
| Additive primes | 1065th | 1071st |
| Chen primes | 1126th | 1133rd |
| Isolated primes | 1603rd | 1614th |
| Primes | 2292nd | 2305th |
| Sexy primes (2nd member) | 705th | |
| Ulam primes | 169th | |
| Roman numberals | ||
| Base 2 | 1001111001111112 | 1001111101011112 |
| Base 3 | 10002111013 | 10002221123 |
| Base 4 | 103303334 | 103322334 |
| Base 5 | 11221225 | 11230445 |
| Base 6 | 2335316 | 2342356 |
| Base 7 | 1131017 | 1133217 |
| Base 8 | 474778 | 476578 |
| Base 9 | 307419 | 308759 |
| Base 10 | 2028710 | 2039910 |
| Base 11 | 1427311 | 1436511 |
| Base 12 | b8a712 | b97b12 |
| Base 13 | 930713 | 939213 |
| Base 14 | 757114 | 761114 |
| Base 15 | 602715 | 609e15 |
| Base 16 | 4f3f16 | 4faf16 |