Compare 31139 vs 31193
| Property | 31139 | 31193 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 311931 |
| Prime factorization | 31139 | 31193 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31193 |
| Number of properties | 7 | 10 |
| Additive primes | 1515th | 1520th |
| Cousin primes (2nd member) | 479th | |
| Emirps | 669th | 671st |
| Good primes | 333rd | |
| Harmonic primes | 1252nd | |
| Isolated primes | 2394th | 2399th |
| Long primes | 1271st | 1274th |
| Primes | 3353rd | 3362nd |
| Pythagorean primes | 1673rd | |
| Restricted right-truncatable primes | 11th | |
| Right-truncatable primes | 49th | |
| Safe primes | 272nd | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111001110110012 |
| Base 3 | 11202010223 | 11202100223 |
| Base 4 | 132122034 | 132131214 |
| Base 5 | 14440245 | 14442335 |
| Base 6 | 4000556 | 4002256 |
| Base 7 | 1565337 | 1566417 |
| Base 8 | 746438 | 747318 |
| Base 9 | 466389 | 467089 |
| Base 10 | 3113910 | 3119310 |
| Base 11 | 2143911 | 2148811 |
| Base 12 | 1602b12 | 1607512 |
| Base 13 | 1123413 | 1127613 |
| Base 14 | b4c314 | b52114 |
| Base 15 | 935e15 | 939815 |
| Base 16 | 79a316 | 79d916 |