Compare 31139 vs 31223
| Property | 31139 | 31223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 312231 |
| Prime factorization | 31139 | 31223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31223 |
| Number of properties | 7 | 7 |
| Additive primes | 1515th | 1521st |
| Cousin primes (2nd member) | 480th | |
| Emirps | 669th | 672nd |
| Good primes | 333rd | |
| Isolated primes | 2394th | 2401st |
| Left-truncatable primes | 188th | |
| Long primes | 1271st | 1276th |
| Primes | 3353rd | 3364th |
| Safe primes | 272nd | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111001111101112 |
| Base 3 | 11202010223 | 11202111023 |
| Base 4 | 132122034 | 132133134 |
| Base 5 | 14440245 | 14443435 |
| Base 6 | 4000556 | 4003156 |
| Base 7 | 1565337 | 1600137 |
| Base 8 | 746438 | 747678 |
| Base 9 | 466389 | 467429 |
| Base 10 | 3113910 | 3122310 |
| Base 11 | 2143911 | 2150511 |
| Base 12 | 1602b12 | 1609b12 |
| Base 13 | 1123413 | 1129a13 |
| Base 14 | b4c314 | b54314 |
| Base 15 | 935e15 | 93b815 |
| Base 16 | 79a316 | 79f716 |