Compare 166181 vs 166183
| Property | 166181 | 166183 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1371 × 12131 | 1661831 |
| Prime factorization | 137 × 1213 | 166183 |
| Divisors count | 4 | 2 |
| Divisors | 1, 137, 1213, 166181 | 1, 166183 |
| Number of properties | 1 | 4 |
| Isolated primes | 11481st | |
| Long primes | 5669th | |
| Primes | 15186th | |
| Semiprimes | 37931st | |
| Sexy primes (1st member) | 3674th | |
| Roman numberals | ||
| Base 2 | 1010001001001001012 | 1010001001001001112 |
| Base 3 | 221022212123 | 221022212213 |
| Base 4 | 2202102114 | 2202102134 |
| Base 5 | 203042115 | 203042135 |
| Base 6 | 33212056 | 33212116 |
| Base 7 | 12613317 | 12613337 |
| Base 8 | 5044458 | 5044478 |
| Base 9 | 2728559 | 2728579 |
| Base 10 | 16618110 | 16618310 |
| Base 11 | 10394411 | 10394611 |
| Base 12 | 8020512 | 8020712 |
| Base 13 | 5a84213 | 5a84413 |
| Base 14 | 447c114 | 447c314 |
| Base 15 | 3438b15 | 3438d15 |
| Base 16 | 2892516 | 2892716 |