Compare 81237 vs 81239
| Property | 81237 | 81239 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 131 × 20831 | 812391 |
| Prime factorization | 3 × 13 × 2083 | 81239 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 13, 39, 2083, 6249, 27079, 81237 | 1, 81239 |
| Number of properties | 0 | 5 |
| Additive primes | 3306th | |
| Chen primes | 3596th | |
| Isolated primes | 5905th | |
| Primes | 7952nd | |
| Sexy primes (2nd member) | 2067th | |
| Roman numberals | ||
| Base 2 | 100111101010101012 | 100111101010101112 |
| Base 3 | 110101022103 | 110101022123 |
| Base 4 | 1033111114 | 1033111134 |
| Base 5 | 100444225 | 100444245 |
| Base 6 | 14240336 | 14240356 |
| Base 7 | 4555627 | 4555647 |
| Base 8 | 2365258 | 2365278 |
| Base 9 | 1333839 | 1333859 |
| Base 10 | 8123710 | 8123910 |
| Base 11 | 5604211 | 5604411 |
| Base 12 | 3b01912 | 3b01b12 |
| Base 13 | 2ac9013 | 2ac9213 |
| Base 14 | 2186914 | 2186b14 |
| Base 15 | 1910c15 | 1910e15 |
| Base 16 | 13d5516 | 13d5716 |