Compare 20959 vs 20981
| Property | 20959 | 20981 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209591 | 209811 |
| Prime factorization | 20959 | 20981 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20959 | 1, 20981 |
| Number of properties | 5 | 5 |
| Chen primes | 1161st | |
| Cousin primes (1st member) | 357th | |
| Good primes | 265th | |
| Isolated primes | 1646th | |
| Lucky primes | 383rd | |
| Primes | 2357th | 2359th |
| Pythagorean primes | 1172nd | |
| Super primes | 350th | |
| Twin primes (1st member) | 357th | |
| Roman numberals | ||
| Base 2 | 1010001110111112 | 1010001111101012 |
| Base 3 | 10012020213 | 10012100023 |
| Base 4 | 110131334 | 110133114 |
| Base 5 | 11323145 | 11324115 |
| Base 6 | 2410116 | 2410456 |
| Base 7 | 1150517 | 1151127 |
| Base 8 | 507378 | 507658 |
| Base 9 | 316679 | 317029 |
| Base 10 | 2095910 | 2098110 |
| Base 11 | 1482411 | 1484411 |
| Base 12 | 1016712 | 1018512 |
| Base 13 | 970313 | 971c13 |
| Base 14 | 78d114 | 790914 |
| Base 15 | 632415 | 633b15 |
| Base 16 | 51df16 | 51f516 |