Compare 81223 vs 82231
| Property | 81223 | 82231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 812231 | 822311 |
| Prime factorization | 81223 | 82231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81223 | 1, 82231 |
| Number of properties | 5 | 6 |
| Happy primes | 1234th | 1244th |
| Harmonic primes | 3001st | 3035th |
| Isolated primes | 5903rd | 5971st |
| Left-truncatable primes | 300th | |
| Lucky primes | 1085th | |
| Primes | 7950th | 8042nd |
| Sexy primes (1st member) | 2088th | |
| Roman numberals | ||
| Base 2 | 100111101010001112 | 101000001001101112 |
| Base 3 | 110101020213 | 110112101213 |
| Base 4 | 1033110134 | 1100103134 |
| Base 5 | 100443435 | 101124115 |
| Base 6 | 14240116 | 14324116 |
| Base 7 | 4555427 | 4615127 |
| Base 8 | 2365078 | 2404678 |
| Base 9 | 1333679 | 1347179 |
| Base 10 | 8122310 | 8223110 |
| Base 11 | 5602a11 | 5686611 |
| Base 12 | 3b00712 | 3b70712 |
| Base 13 | 2ac7c13 | 2b57613 |
| Base 14 | 2185914 | 21d7914 |
| Base 15 | 190ed15 | 1957115 |
| Base 16 | 13d4716 | 1413716 |