Compare 161387 vs 161507
| Property | 161387 | 161507 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1613871 | 1615071 |
| Prime factorization | 161387 | 161507 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161387 | 1, 161507 |
| Number of properties | 4 | 5 |
| Chen primes | 6309th | 6313th |
| Cousin primes (2nd member) | 1793rd | |
| Emirps | 3257th | |
| Harmonic primes | 5548th | |
| Isolated primes | 11175th | 11181st |
| Primes | 14800th | 14808th |
| Roman numberals | ||
| Base 2 | 1001110110011010112 | 1001110110111000112 |
| Base 3 | 220121010223 | 220121122023 |
| Base 4 | 2131212234 | 2131232034 |
| Base 5 | 201310225 | 201320125 |
| Base 6 | 32430556 | 32434156 |
| Base 7 | 12413427 | 12416037 |
| Base 8 | 4731538 | 4733438 |
| Base 9 | 2653389 | 2654829 |
| Base 10 | 16138710 | 16150710 |
| Base 11 | 10028611 | 10038511 |
| Base 12 | 7948b12 | 7956b12 |
| Base 13 | 585c513 | 5868813 |
| Base 14 | 42b5914 | 42c0314 |
| Base 15 | 32c4215 | 32cc215 |
| Base 16 | 2766b16 | 276e316 |