Compare 80989 vs 81281
| Property | 80989 | 81281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 809891 | 812811 |
| Prime factorization | 80989 | 81281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 80989 | 1, 81281 |
| Number of properties | 5 | 7 |
| Centered decagonal primes | 61st | |
| Chen primes | 3597th | |
| Harmonic primes | 2992nd | 3002nd |
| Isolated primes | 5886th | |
| Long primes | 3011th | |
| Primes | 7925th | 7953rd |
| Pythagorean primes | 3949th | 3963rd |
| Sophie germain primes | 988th | |
| Twin primes (1st member) | 1025th | |
| Roman numberals | ||
| Base 2 | 100111100010111012 | 100111101100000012 |
| Base 3 | 110100021213 | 110101111023 |
| Base 4 | 1033011314 | 1033120014 |
| Base 5 | 100424245 | 101001115 |
| Base 6 | 14225416 | 14241456 |
| Base 7 | 4550567 | 4556547 |
| Base 8 | 2361358 | 2366018 |
| Base 9 | 1330779 | 1334429 |
| Base 10 | 8098910 | 8128110 |
| Base 11 | 5593711 | 5608211 |
| Base 12 | 3aa5112 | 3b05512 |
| Base 13 | 2ab2c13 | 2acc513 |
| Base 14 | 2172d14 | 2189b14 |
| Base 15 | 18ee415 | 1913b15 |
| Base 16 | 13c5d16 | 13d8116 |