Compare 661321 vs 662143
| Property | 661321 | 662143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6613211 | 6621431 |
| Prime factorization | 661321 | 662143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661321 | 1, 662143 |
| Number of properties | 4 | 3 |
| Additive primes | 20954th | |
| Isolated primes | 42089th | |
| Primes | 53672nd | 53728th |
| Sexy primes (1st member) | 11590th | 11600th |
| Twin primes (2nd member) | 5796th | |
| Roman numberals | ||
| Base 2 | 101000010111010010012 | 101000011010011111112 |
| Base 3 | 10201210111013 | 10201220212113 |
| Base 4 | 22011310214 | 22012213334 |
| Base 5 | 1321302415 | 1321420335 |
| Base 6 | 221014016 | 221052516 |
| Base 7 | 54230237 | 54253067 |
| Base 8 | 24135118 | 24151778 |
| Base 9 | 12171419 | 12182549 |
| Base 10 | 66132110 | 66214310 |
| Base 11 | 41195111 | 41252911 |
| Base 12 | 27a86112 | 27b22712 |
| Base 13 | 1a201b13 | 1a250113 |
| Base 14 | 13301314 | 13343d14 |
| Base 15 | d0e3115 | d12cd15 |
| Base 16 | a174916 | a1a7f16 |