Compare 20969 vs 20981
| Property | 20969 | 20981 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 131 × 16131 | 209811 |
| Prime factorization | 13 × 1613 | 20981 |
| Divisors count | 4 | 2 |
| Divisors | 1, 13, 1613, 20969 | 1, 20981 |
| Number of properties | 1 | 5 |
| Chen primes | 1161st | |
| Good primes | 265th | |
| Primes | 2359th | |
| Pythagorean primes | 1172nd | |
| Semiprimes | 5318th | |
| Twin primes (1st member) | 357th | |
| Roman numberals | ||
| Base 2 | 1010001111010012 | 1010001111101012 |
| Base 3 | 10012021223 | 10012100023 |
| Base 4 | 110132214 | 110133114 |
| Base 5 | 11323345 | 11324115 |
| Base 6 | 2410256 | 2410456 |
| Base 7 | 1150647 | 1151127 |
| Base 8 | 507518 | 507658 |
| Base 9 | 316789 | 317029 |
| Base 10 | 2096910 | 2098110 |
| Base 11 | 1483311 | 1484411 |
| Base 12 | 1017512 | 1018512 |
| Base 13 | 971013 | 971c13 |
| Base 14 | 78db14 | 790914 |
| Base 15 | 632e15 | 633b15 |
| Base 16 | 51e916 | 51f516 |