Compare 102642 vs 102643
| Property | 102642 | 102643 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 171071 | 1026431 |
| Prime factorization | 2 × 3 × 17107 | 102643 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 17107, 34214, 51321, 102642 | 1, 102643 |
| Number of properties | 0 | 6 |
| Cousin primes (1st member) | 1246th | |
| Emirps | 1725th | |
| Harmonic primes | 3711th | |
| Isolated primes | 7332nd | |
| Lucky primes | 1324th | |
| Primes | 9827th | |
| Roman numberals | ||
| Base 2 | 110010000111100102 | 110010000111100112 |
| Base 3 | 120122101203 | 120122101213 |
| Base 4 | 1210033024 | 1210033034 |
| Base 5 | 112410325 | 112410335 |
| Base 6 | 21111106 | 21111116 |
| Base 7 | 6051517 | 6051527 |
| Base 8 | 3103628 | 3103638 |
| Base 9 | 1657169 | 1657179 |
| Base 10 | 10264210 | 10264310 |
| Base 11 | 7013111 | 7013211 |
| Base 12 | 4b49612 | 4b49712 |
| Base 13 | 3794713 | 3794813 |
| Base 14 | 2959814 | 2959914 |
| Base 15 | 2062c15 | 2062d15 |
| Base 16 | 190f216 | 190f316 |