Compare 20389 vs 20407
| Property | 20389 | 20407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 203891 | 204071 |
| Prime factorization | 20389 | 20407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20389 | 1, 20407 |
| Number of properties | 5 | 6 |
| Additive primes | 1072nd | |
| Chen primes | 1134th | |
| Cousin primes (1st member) | 351st | 352nd |
| Isolated primes | 1612th | 1615th |
| Long primes | 880th | |
| Primes | 2303rd | 2306th |
| Pythagorean primes | 1148th | |
| Ulam primes | 168th | |
| Roman numberals | ||
| Base 2 | 1001111101001012 | 1001111101101112 |
| Base 3 | 10002220113 | 10002222113 |
| Base 4 | 103322114 | 103323134 |
| Base 5 | 11230245 | 11231125 |
| Base 6 | 2342216 | 2342516 |
| Base 7 | 1133057 | 1133327 |
| Base 8 | 476458 | 476678 |
| Base 9 | 308649 | 308849 |
| Base 10 | 2038910 | 2040710 |
| Base 11 | 1435611 | 1437211 |
| Base 12 | b97112 | b98712 |
| Base 13 | 938513 | 939a13 |
| Base 14 | 760514 | 761914 |
| Base 15 | 609415 | 60a715 |
| Base 16 | 4fa516 | 4fb716 |