Compare 642223 vs 642226
| Property | 642223 | 642226 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 6422231 | 21 × 131 × 171 × 14531 |
| Prime factorization | 642223 | 2 × 13 × 17 × 1453 |
| Divisors count | 2 | 16 |
| Divisors | 1, 642223 | 1, 2, 13, 17, 26, 34, 221, 442, 1453, 2906, 18889, 24701, 37778, 49402, 321113, 642226 |
| Number of properties | 6 | 0 |
| Additive primes | 20417th | |
| Isolated primes | 40941st | |
| Lucky primes | 5998th | |
| Primes | 52240th | |
| Sexy primes (2nd member) | 11319th | |
| Sexy prime triplets (3rd member) | 2076th | |
| Roman numberals | ||
| Base 2 | 100111001100101011112 | 100111001100101100102 |
| Base 3 | 10121212220013 | 10121212220113 |
| Base 4 | 21303022334 | 21303023024 |
| Base 5 | 1310223435 | 1310224015 |
| Base 6 | 214331316 | 214331346 |
| Base 7 | 53132417 | 53132447 |
| Base 8 | 23462578 | 23462628 |
| Base 9 | 11778619 | 11778649 |
| Base 10 | 64222310 | 64222610 |
| Base 11 | 3a956a11 | 3a957211 |
| Base 12 | 26b7a712 | 26b7aa12 |
| Base 13 | 19641a13 | 19642013 |
| Base 14 | 12a09114 | 12a09414 |
| Base 15 | ca44d15 | ca45115 |
| Base 16 | 9ccaf16 | 9ccb216 |