Compare 20963 vs 21481
| Property | 20963 | 21481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209631 | 214811 |
| Prime factorization | 20963 | 21481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20963 | 1, 21481 |
| Number of properties | 5 | 9 |
| Cousin primes (2nd member) | 357th | |
| Good primes | 270th | |
| Happy primes | 390th | 400th |
| Harmonic primes | 883rd | |
| Isolated primes | 1647th | 1683rd |
| Primes | 2358th | 2408th |
| Pythagorean primes | 1194th | |
| Sexy primes (1st member) | 731st | |
| Sexy prime quadrupletss (1st member) | 37th | |
| Sexy prime triplets (1st member) | 198th | |
| Sophie germain primes | 341st | |
| Roman numberals | ||
| Base 2 | 1010001111000112 | 1010011111010012 |
| Base 3 | 10012021023 | 10021101213 |
| Base 4 | 110132034 | 110332214 |
| Base 5 | 11323235 | 11414115 |
| Base 6 | 2410156 | 2432416 |
| Base 7 | 1150557 | 1164257 |
| Base 8 | 507438 | 517518 |
| Base 9 | 316729 | 324179 |
| Base 10 | 2096310 | 2148110 |
| Base 11 | 1482811 | 1515911 |
| Base 12 | 1016b12 | 1052112 |
| Base 13 | 970713 | 9a1513 |
| Base 14 | 78d514 | 7b8514 |
| Base 15 | 632815 | 657115 |
| Base 16 | 51e316 | 53e916 |