Compare 131213 vs 131221
| Property | 131213 | 131221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1312131 | 1312211 |
| Prime factorization | 131213 | 131221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131213 | 1, 131221 |
| Number of properties | 5 | 4 |
| Additive primes | 5055th | |
| Emirps | 2494th | |
| Harmonic primes | 4616th | |
| Isolated primes | 9207th | 9208th |
| Primes | 12260th | 12261st |
| Pythagorean primes | 6099th | 6100th |
| Roman numberals | ||
| Base 2 | 1000000000100011012 | 1000000000100101012 |
| Base 3 | 201222222023 | 202000000013 |
| Base 4 | 2000020314 | 2000021114 |
| Base 5 | 131443235 | 131443415 |
| Base 6 | 24512456 | 24513016 |
| Base 7 | 10543557 | 10543667 |
| Base 8 | 4002158 | 4002258 |
| Base 9 | 2188829 | 2200019 |
| Base 10 | 13121310 | 13122110 |
| Base 11 | 8a64511 | 8a65211 |
| Base 12 | 63b2512 | 63b3112 |
| Base 13 | 4795413 | 4795c13 |
| Base 14 | 35b6514 | 35b6d14 |
| Base 15 | 28d2815 | 28d3115 |
| Base 16 | 2008d16 | 2009516 |