Compare 20287 vs 20551
| Property | 20287 | 20551 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 202871 | 205511 |
| Prime factorization | 20287 | 20551 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20287 | 1, 20551 |
| Number of properties | 4 | 4 |
| Additive primes | 1065th | 1077th |
| Chen primes | 1126th | |
| Isolated primes | 1603rd | |
| Lucky primes | 376th | |
| Primes | 2292nd | 2320th |
| Twin primes (2nd member) | 350th | |
| Roman numberals | ||
| Base 2 | 1001111001111112 | 1010000010001112 |
| Base 3 | 10002111013 | 10010120113 |
| Base 4 | 103303334 | 110010134 |
| Base 5 | 11221225 | 11242015 |
| Base 6 | 2335316 | 2350516 |
| Base 7 | 1131017 | 1136267 |
| Base 8 | 474778 | 501078 |
| Base 9 | 307419 | 311649 |
| Base 10 | 2028710 | 2055110 |
| Base 11 | 1427311 | 1449311 |
| Base 12 | b8a712 | ba8712 |
| Base 13 | 930713 | 947b13 |
| Base 14 | 757114 | 76bd14 |
| Base 15 | 602715 | 615115 |
| Base 16 | 4f3f16 | 504716 |