Compare 872121 vs 872129
| Property | 872121 | 872129 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 2907071 | 8721291 |
| Prime factorization | 3 × 290707 | 872129 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 290707, 872121 | 1, 872129 |
| Number of properties | 1 | 4 |
| Additive primes | 26706th | |
| Happy primes | 9887th | |
| Isolated primes | 54724th | |
| Primes | 69243rd | |
| Semiprimes | 184222nd | |
| Roman numberals | ||
| Base 2 | 110101001110101110012 | 110101001110110000012 |
| Base 3 | 11220220222103 | 11220221000023 |
| Base 4 | 31103223214 | 31103230014 |
| Base 5 | 2104014415 | 2104020045 |
| Base 6 | 304053336 | 304053456 |
| Base 7 | 102614257 | 102614367 |
| Base 8 | 32472718 | 32473018 |
| Base 9 | 15682839 | 15683029 |
| Base 10 | 87212110 | 87212910 |
| Base 11 | 54626811 | 54627511 |
| Base 12 | 36084912 | 36085512 |
| Base 13 | 246c6313 | 246c6b13 |
| Base 14 | 189b8514 | 189b8d14 |
| Base 15 | 12361615 | 12361e15 |
| Base 16 | d4eb916 | d4ec116 |