Compare 81345 vs 81349
| Property | 81345 | 81349 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 31 × 51 × 111 × 171 × 291 | 813491 |
| Prime factorization | 3 × 5 × 11 × 17 × 29 | 81349 |
| Divisors count | 32 | 2 |
| Divisors | 1, 3, 5, 11, 15, 17, 29, 33, 51, 55, 85, 87, 145, 165, 187, 255, 319, 435, 493, 561, 935, 957, 1479, 1595, 2465, 2805, 4785, 5423, 7395, 16269, 27115, 81345 | 1, 81349 |
| Number of properties | 0 | 7 |
| Cousin primes (1st member) | 1028th | |
| Isolated primes | 5911th | |
| Long primes | 3021st | |
| Lucky primes | 1072nd | |
| Primes | 7960th | |
| Pythagorean primes | 3965th | |
| Sexy primes (2nd member) | 2069th | |
| Roman numberals | ||
| Base 2 | 100111101110000012 | 100111101110001012 |
| Base 3 | 110101202103 | 110101202213 |
| Base 4 | 1033130014 | 1033130114 |
| Base 5 | 101003405 | 101003445 |
| Base 6 | 14243336 | 14243416 |
| Base 7 | 4561057 | 4561127 |
| Base 8 | 2367018 | 2367058 |
| Base 9 | 1335239 | 1335279 |
| Base 10 | 8134510 | 8134910 |
| Base 11 | 5613011 | 5613411 |
| Base 12 | 3b0a912 | 3b0b112 |
| Base 13 | 2b04413 | 2b04813 |
| Base 14 | 2190514 | 2190914 |
| Base 15 | 1918015 | 1918415 |
| Base 16 | 13dc116 | 13dc516 |