Compare 821142 vs 821147
| Property | 821142 | 821147 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 21 × 32 × 74 × 191 | 8211471 |
| Prime factorization | 2 × 3 × 3 × 7 × 7 × 7 × 7 × 19 | 821147 |
| Divisors count | 60 | 2 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 343, 399, 441, 686, 798, 882, 931, 1029, 1197, 1862, 2058, 2394, 2401, 2793, 3087, 4802, 5586, 6174, 6517, 7203, 8379, 13034, 14406, 16758, 19551, 21609, 39102, 43218, 45619, 58653, 91238, 117306, 136857, 273714, 410571, 821142 | 1, 821147 |
| Number of properties | 0 | 6 |
| Additive primes | 25315th | |
| Chen primes | 25304th | |
| Cousin primes (2nd member) | 6932nd | |
| Isolated primes | 51701st | |
| Primes | 65506th | |
| Sexy primes (1st member) | 13881st | |
| Roman numberals | ||
| Base 2 | 110010000111100101102 | 110010000111100110112 |
| Base 3 | 11122011012003 | 11122011012123 |
| Base 4 | 30201321124 | 30201321234 |
| Base 5 | 2022340325 | 2022340425 |
| Base 6 | 253333306 | 253333356 |
| Base 7 | 66600007 | 66600057 |
| Base 8 | 31036268 | 31036338 |
| Base 9 | 14813509 | 14813559 |
| Base 10 | 82114210 | 82114710 |
| Base 11 | 510a3311 | 510a3811 |
| Base 12 | 33724612 | 33724b12 |
| Base 13 | 2299aa13 | 2299b213 |
| Base 14 | 17537014 | 17537514 |
| Base 15 | 11347c15 | 11348215 |
| Base 16 | c879616 | c879b16 |