Compare 31145 vs 31147
Property | 31145 | 31147 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 51 × 62291 | 311471 |
Prime factorization | 5 × 6229 | 31147 |
Divisors count | 4 | 2 |
Divisors | 1, 5, 6229, 31145 | 1, 31147 |
Number of properties | 1 | 9 |
Cousin primes (1st member) | 477th | |
Good primes | 334th | |
Harmonic primes | 1247th | |
Isolated primes | 2395th | |
Lucky primes | 520th | |
Primes | 3354th | |
Prime triplets (1st member) | 229th | |
Semiprimes | 7739th | |
Sexy primes (1st member) | 980th | |
Sexy prime triplets (1st member) | 250th | |
Roman numberals | ||
Base 2 | 1111001101010012 | 1111001101010112 |
Base 3 | 11202011123 | 11202011213 |
Base 4 | 132122214 | 132122234 |
Base 5 | 14440405 | 14440425 |
Base 6 | 4001056 | 4001116 |
Base 7 | 1565427 | 1565447 |
Base 8 | 746518 | 746538 |
Base 9 | 466459 | 466479 |
Base 10 | 3114510 | 3114710 |
Base 11 | 2144411 | 2144611 |
Base 12 | 1603512 | 1603712 |
Base 13 | 1123a13 | 1123c13 |
Base 14 | b4c914 | b4cb14 |
Base 15 | 936515 | 936715 |
Base 16 | 79a916 | 79ab16 |