Compare 131213 vs 131231
| Property | 131213 | 131231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1312131 | 1312311 |
| Prime factorization | 131213 | 131231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131213 | 1, 131231 |
| Number of properties | 5 | 4 |
| Additive primes | 5055th | 5056th |
| Chen primes | 5290th | |
| Harmonic primes | 4616th | |
| Isolated primes | 9207th | 9209th |
| Primes | 12260th | 12262nd |
| Pythagorean primes | 6099th | |
| Roman numberals | ||
| Base 2 | 1000000000100011012 | 1000000000100111112 |
| Base 3 | 201222222023 | 202000001023 |
| Base 4 | 2000020314 | 2000021334 |
| Base 5 | 131443235 | 131444115 |
| Base 6 | 24512456 | 24513156 |
| Base 7 | 10543557 | 10544127 |
| Base 8 | 4002158 | 4002378 |
| Base 9 | 2188829 | 2200129 |
| Base 10 | 13121310 | 13123110 |
| Base 11 | 8a64511 | 8a66111 |
| Base 12 | 63b2512 | 63b3b12 |
| Base 13 | 4795413 | 4796913 |
| Base 14 | 35b6514 | 35b7914 |
| Base 15 | 28d2815 | 28d3b15 |
| Base 16 | 2008d16 | 2009f16 |