Compare 121721 vs 121993
| Property | 121721 | 121993 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1217211 | 1219931 |
| Prime factorization | 121721 | 121993 |
| Divisors count | 2 | 2 |
| Divisors | 1, 121721 | 1, 121993 |
| Number of properties | 6 | 6 |
| Chen primes | 4968th | |
| Cousin primes (1st member) | 1430th | |
| Harmonic primes | 4329th | 4338th |
| Isolated primes | 8579th | 8593rd |
| Long primes | 4298th | |
| Primes | 11456th | 11474th |
| Pythagorean primes | 5698th | 5706th |
| Sexy primes (1st member) | 2865th | |
| Roman numberals | ||
| Base 2 | 111011011011110012 | 111011100100010012 |
| Base 3 | 200112220123 | 200121000213 |
| Base 4 | 1312313214 | 1313020214 |
| Base 5 | 123433415 | 124004335 |
| Base 6 | 23353056 | 23404416 |
| Base 7 | 10146057 | 10154447 |
| Base 8 | 3555718 | 3562118 |
| Base 9 | 2048659 | 2053079 |
| Base 10 | 12172110 | 12199310 |
| Base 11 | 834a611 | 8372311 |
| Base 12 | 5a53512 | 5a72112 |
| Base 13 | 4353213 | 436b113 |
| Base 14 | 3250514 | 3265b14 |
| Base 15 | 260eb15 | 2622d15 |
| Base 16 | 1db7916 | 1dc8916 |