Compare 81439 vs 82231
| Property | 81439 | 82231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 814391 | 822311 |
| Prime factorization | 81439 | 82231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81439 | 1, 82231 |
| Number of properties | 5 | 6 |
| Happy primes | 1244th | |
| Harmonic primes | 3009th | 3035th |
| Isolated primes | 5917th | 5971st |
| Lucky primes | 1074th | 1085th |
| Primes | 7968th | 8042nd |
| Sexy primes (1st member) | 2088th | |
| Ulam primes | 581st | |
| Roman numberals | ||
| Base 2 | 100111110000111112 | 101000001001101112 |
| Base 3 | 110102010213 | 110112101213 |
| Base 4 | 1033201334 | 1100103134 |
| Base 5 | 101012245 | 101124115 |
| Base 6 | 14250116 | 14324116 |
| Base 7 | 4563017 | 4615127 |
| Base 8 | 2370378 | 2404678 |
| Base 9 | 1336379 | 1347179 |
| Base 10 | 8143910 | 8223110 |
| Base 11 | 5620611 | 5686611 |
| Base 12 | 3b16712 | 3b70712 |
| Base 13 | 2b0b713 | 2b57613 |
| Base 14 | 2197114 | 21d7914 |
| Base 15 | 191e415 | 1957115 |
| Base 16 | 13e1f16 | 1413716 |