Compare 664949 vs 665993
| Property | 664949 | 665993 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6649491 | 6659931 |
| Prime factorization | 664949 | 665993 |
| Divisors count | 2 | 2 |
| Divisors | 1, 664949 | 1, 665993 |
| Number of properties | 4 | 3 |
| Chen primes | 21097th | |
| Isolated primes | 42295th | 42361st |
| Primes | 53942nd | 54022nd |
| Sophie germain primes | 5487th | 5495th |
| Roman numberals | ||
| Base 2 | 101000100101011101012 | 101000101001100010012 |
| Base 3 | 10202100102023 | 10202111201023 |
| Base 4 | 22021113114 | 22022120214 |
| Base 5 | 1322342445 | 1323024335 |
| Base 6 | 221302456 | 221351456 |
| Base 7 | 54364257 | 54424467 |
| Base 8 | 24225658 | 24246118 |
| Base 9 | 12231229 | 12245129 |
| Base 10 | 66494910 | 66599310 |
| Base 11 | 41464a11 | 41540911 |
| Base 12 | 28098512 | 2814b512 |
| Base 13 | 1a387c13 | 1a41a313 |
| Base 14 | 13448514 | 1349cd14 |
| Base 15 | d204e15 | d24e815 |
| Base 16 | a257516 | a298916 |