Compare 81223 vs 81307
| Property | 81223 | 81307 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 812231 | 813071 |
| Prime factorization | 81223 | 81307 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81223 | 1, 81307 |
| Number of properties | 5 | 6 |
| Additive primes | 3309th | |
| Chen primes | 3598th | |
| Happy primes | 1234th | |
| Harmonic primes | 3001st | 3004th |
| Isolated primes | 5903rd | 5908th |
| Left-truncatable primes | 300th | |
| Lucky primes | 1071st | |
| Primes | 7950th | 7957th |
| Roman numberals | ||
| Base 2 | 100111101010001112 | 100111101100110112 |
| Base 3 | 110101020213 | 110101121013 |
| Base 4 | 1033110134 | 1033121234 |
| Base 5 | 100443435 | 101002125 |
| Base 6 | 14240116 | 14242316 |
| Base 7 | 4555427 | 4560227 |
| Base 8 | 2365078 | 2366338 |
| Base 9 | 1333679 | 1334719 |
| Base 10 | 8122310 | 8130710 |
| Base 11 | 5602a11 | 560a611 |
| Base 12 | 3b00712 | 3b07712 |
| Base 13 | 2ac7c13 | 2b01513 |
| Base 14 | 2185914 | 218b914 |
| Base 15 | 190ed15 | 1915715 |
| Base 16 | 13d4716 | 13d9b16 |