Compare 81223 vs 81839
| Property | 81223 | 81839 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 812231 | 818391 |
| Prime factorization | 81223 | 81839 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81223 | 1, 81839 |
| Number of properties | 5 | 6 |
| Additive primes | 3324th | |
| Chen primes | 3609th | |
| Happy primes | 1234th | 1239th |
| Harmonic primes | 3001st | |
| Isolated primes | 5903rd | 5945th |
| Left-truncatable primes | 300th | |
| Primes | 7950th | 8002nd |
| Sophie germain primes | 994th | |
| Roman numberals | ||
| Base 2 | 100111101010001112 | 100111111101011112 |
| Base 3 | 110101020213 | 110110210023 |
| Base 4 | 1033110134 | 1033322334 |
| Base 5 | 100443435 | 101043245 |
| Base 6 | 14240116 | 14305156 |
| Base 7 | 4555427 | 4604127 |
| Base 8 | 2365078 | 2376578 |
| Base 9 | 1333679 | 1342329 |
| Base 10 | 8122310 | 8183910 |
| Base 11 | 5602a11 | 5653a11 |
| Base 12 | 3b00712 | 3b43b12 |
| Base 13 | 2ac7c13 | 2b33413 |
| Base 14 | 2185914 | 21b7914 |
| Base 15 | 190ed15 | 193ae15 |
| Base 16 | 13d4716 | 13faf16 |