Compare 20407 vs 20857
| Property | 20407 | 20857 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 204071 | 208571 |
| Prime factorization | 20407 | 20857 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20407 | 1, 20857 |
| Number of properties | 6 | 4 |
| Additive primes | 1072nd | |
| Chen primes | 1134th | |
| Cousin primes (1st member) | 352nd | |
| Isolated primes | 1615th | 1637th |
| Long primes | 880th | 891st |
| Primes | 2306th | 2346th |
| Pythagorean primes | 1167th | |
| Roman numberals | ||
| Base 2 | 1001111101101112 | 1010001011110012 |
| Base 3 | 10002222113 | 10011211113 |
| Base 4 | 103323134 | 110113214 |
| Base 5 | 11231125 | 11314125 |
| Base 6 | 2342516 | 2403216 |
| Base 7 | 1133327 | 1145447 |
| Base 8 | 476678 | 505718 |
| Base 9 | 308849 | 315449 |
| Base 10 | 2040710 | 2085710 |
| Base 11 | 1437211 | 1474111 |
| Base 12 | b98712 | 100a112 |
| Base 13 | 939a13 | 965513 |
| Base 14 | 761914 | 785b14 |
| Base 15 | 60a715 | 62a715 |
| Base 16 | 4fb716 | 517916 |