Compare 30977 vs 31991
| Property | 30977 | 31991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 309771 | 319911 |
| Prime factorization | 30977 | 31991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 30977 | 1, 31991 |
| Number of properties | 11 | 5 |
| Additive primes | 1554th | |
| Chen primes | 1596th | |
| Emirps | 698th | |
| Happy primes | 551st | |
| Isolated primes | 2384th | 2451st |
| Long primes | 1264th | |
| Primes | 3339th | 3432nd |
| Proth primes | 60th | |
| Pythagorean primes | 1663rd | |
| Sexy primes (1st member) | 976th | |
| Sexy primes (2nd member) | 975th | |
| Sexy prime triplets (2nd member) | 249th | |
| Ulam primes | 254th | 263rd |
| Roman numberals | ||
| Base 2 | 1111001000000012 | 1111100111101112 |
| Base 3 | 11201110223 | 11212122123 |
| Base 4 | 132100014 | 133033134 |
| Base 5 | 14424025 | 20104315 |
| Base 6 | 3552256 | 4040356 |
| Base 7 | 1562127 | 1621617 |
| Base 8 | 744018 | 763678 |
| Base 9 | 464389 | 477859 |
| Base 10 | 3097710 | 3199110 |
| Base 11 | 2130111 | 2204311 |
| Base 12 | 15b1512 | 1661b12 |
| Base 13 | 1113b13 | 1173b13 |
| Base 14 | b40914 | b93114 |
| Base 15 | 92a215 | 972b15 |
| Base 16 | 790116 | 7cf716 |