Compare 661381 vs 661393
| Property | 661381 | 661393 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 944831 | 6613931 |
| Prime factorization | 7 × 94483 | 661393 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 94483, 661381 | 1, 661393 |
| Number of properties | 1 | 2 |
| Isolated primes | 42094th | |
| Primes | 53677th | |
| Semiprimes | 141517th | |
| Roman numberals | ||
| Base 2 | 101000010111100001012 | 101000010111100100012 |
| Base 3 | 10201210201213 | 10201210210013 |
| Base 4 | 22011320114 | 22011321014 |
| Base 5 | 1321310115 | 1321310335 |
| Base 6 | 221015416 | 221020016 |
| Base 7 | 54231407 | 54231557 |
| Base 8 | 24136058 | 24136218 |
| Base 9 | 12172179 | 12172319 |
| Base 10 | 66138110 | 66139310 |
| Base 11 | 4119a611 | 411a0711 |
| Base 12 | 27a8b112 | 27a90112 |
| Base 13 | 1a206613 | 1a207513 |
| Base 14 | 13305714 | 13306514 |
| Base 15 | d0e7115 | d0e7d15 |
| Base 16 | a178516 | a179116 |