Compare 31387 vs 31957
Property | 31387 | 31957 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 313871 | 319571 |
Prime factorization | 31387 | 31957 |
Divisors count | 2 | 2 |
Divisors | 1, 31387 | 1, 31957 |
Number of properties | 8 | 7 |
Chen primes | 1613th | |
Cousin primes (1st member) | 484th | |
Emirps | 695th | |
Good primes | 335th | |
Harmonic primes | 1275th | |
Isolated primes | 2415th | 2447th |
Lucky primes | 525th | |
Primes | 3382nd | 3428th |
Prime triplets (1st member) | 232nd | |
Pythagorean primes | 1703rd | |
Sexy primes (1st member) | 990th | 1001st |
Ulam primes | 258th | |
Roman numberals | ||
Base 2 | 1111010100110112 | 1111100110101012 |
Base 3 | 11210011113 | 11212111213 |
Base 4 | 132221234 | 133031114 |
Base 5 | 20010225 | 20103125 |
Base 6 | 4011516 | 4035416 |
Base 7 | 1603367 | 1621127 |
Base 8 | 752338 | 763258 |
Base 9 | 470449 | 477479 |
Base 10 | 3138710 | 3195710 |
Base 11 | 2164411 | 2201211 |
Base 12 | 161b712 | 165b112 |
Base 13 | 1139513 | 1171313 |
Base 14 | b61d14 | b90914 |
Base 15 | 947715 | 970715 |
Base 16 | 7a9b16 | 7cd516 |