Compare 102639 vs 102643
| Property | 102639 | 102643 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 342131 | 1026431 |
| Prime factorization | 3 × 34213 | 102643 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 34213, 102639 | 1, 102643 |
| Number of properties | 1 | 6 |
| Cousin primes (1st member) | 1246th | |
| Emirps | 1725th | |
| Harmonic primes | 3711th | |
| Isolated primes | 7332nd | |
| Lucky primes | 1324th | |
| Primes | 9827th | |
| Semiprimes | 23951st | |
| Roman numberals | ||
| Base 2 | 110010000111011112 | 110010000111100112 |
| Base 3 | 120122101103 | 120122101213 |
| Base 4 | 1210032334 | 1210033034 |
| Base 5 | 112410245 | 112410335 |
| Base 6 | 21111036 | 21111116 |
| Base 7 | 6051457 | 6051527 |
| Base 8 | 3103578 | 3103638 |
| Base 9 | 1657139 | 1657179 |
| Base 10 | 10263910 | 10264310 |
| Base 11 | 7012911 | 7013211 |
| Base 12 | 4b49312 | 4b49712 |
| Base 13 | 3794413 | 3794813 |
| Base 14 | 2959514 | 2959914 |
| Base 15 | 2062915 | 2062d15 |
| Base 16 | 190ef16 | 190f316 |