Compare 30931 vs 31139
| Property | 30931 | 31139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 309311 | 311391 |
| Prime factorization | 30931 | 31139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 30931 | 1, 31139 |
| Number of properties | 6 | 7 |
| Additive primes | 1515th | |
| Emirps | 658th | 669th |
| Good primes | 333rd | |
| Happy primes | 550th | |
| Isolated primes | 2379th | 2394th |
| Long primes | 1261st | 1271st |
| Primes | 3334th | 3353rd |
| Safe primes | 272nd | |
| Sexy primes (1st member) | 974th | |
| Roman numberals | ||
| Base 2 | 1111000110100112 | 1111001101000112 |
| Base 3 | 11201021213 | 11202010223 |
| Base 4 | 132031034 | 132122034 |
| Base 5 | 14422115 | 14440245 |
| Base 6 | 3551116 | 4000556 |
| Base 7 | 1561157 | 1565337 |
| Base 8 | 743238 | 746438 |
| Base 9 | 463779 | 466389 |
| Base 10 | 3093110 | 3113910 |
| Base 11 | 2126a11 | 2143911 |
| Base 12 | 15a9712 | 1602b12 |
| Base 13 | 1110413 | 1123413 |
| Base 14 | b3b514 | b4c314 |
| Base 15 | 927115 | 935e15 |
| Base 16 | 78d316 | 79a316 |