Compare 661121 vs 661253
| Property | 661121 | 661253 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6611211 | 6612531 |
| Prime factorization | 661121 | 661253 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661121 | 1, 661253 |
| Number of properties | 6 | 5 |
| Additive primes | 20947th | 20952nd |
| Chen primes | 20992nd | |
| Cousin primes (2nd member) | 5784th | |
| Happy primes | 7607th | |
| Isolated primes | 42079th | 42086th |
| Primes | 53660th | 53669th |
| Sexy primes (1st member) | 11589th | |
| Sophie germain primes | 5455th | |
| Roman numberals | ||
| Base 2 | 101000010110100000012 | 101000010111000001012 |
| Base 3 | 10201202122223 | 10201210012123 |
| Base 4 | 22011220014 | 22011300114 |
| Base 5 | 1321234415 | 1321300035 |
| Base 6 | 221004256 | 221012056 |
| Base 7 | 54223167 | 54225657 |
| Base 8 | 24132018 | 24134058 |
| Base 9 | 12167889 | 12170559 |
| Base 10 | 66112110 | 66125310 |
| Base 11 | 41178a11 | 41189a11 |
| Base 12 | 27a71512 | 27a80512 |
| Base 13 | 1a1bc613 | 1a1c9813 |
| Base 14 | 132d0d14 | 132da514 |
| Base 15 | d0d4b15 | d0dd815 |
| Base 16 | a168116 | a170516 |