Compare 21139 vs 21151
Property | 21139 | 21151 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 211391 | 131 × 16271 |
Prime factorization | 21139 | 13 × 1627 |
Divisors count | 2 | 4 |
Divisors | 1, 21139 | 1, 13, 1627, 21151 |
Number of properties | 5 | 1 |
Cousin primes (1st member) | 360th | |
Good primes | 266th | |
Isolated primes | 1656th | |
Lucky primes | 385th | |
Primes | 2375th | |
Semiprimes | 5362nd | |
Roman numberals | ||
Base 2 | 1010010100100112 | 1010010100111112 |
Base 3 | 10012222213 | 10020001013 |
Base 4 | 110221034 | 110221334 |
Base 5 | 11340245 | 11341015 |
Base 6 | 2415116 | 2415316 |
Base 7 | 1154267 | 1154447 |
Base 8 | 512238 | 512378 |
Base 9 | 318879 | 320119 |
Base 10 | 2113910 | 2115110 |
Base 11 | 1497811 | 1498911 |
Base 12 | 1029712 | 102a712 |
Base 13 | 981113 | 982013 |
Base 14 | 79bd14 | 79cb14 |
Base 15 | 63e415 | 640115 |
Base 16 | 529316 | 529f16 |