Compare 281381 vs 281989
| Property | 281381 | 281989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2813811 | 2819891 |
| Prime factorization | 281381 | 281989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 281381 | 1, 281989 |
| Number of properties | 8 | 6 |
| Additive primes | 9843rd | 9857th |
| Chen primes | 10099th | 10120th |
| Cousin primes (1st member) | 2832nd | |
| Harmonic primes | 9160th | |
| Isolated primes | 18863rd | 18900th |
| Long primes | 9199th | |
| Primes | 24550th | 24603rd |
| Sophie germain primes | 2710th | |
| Ulam primes | 1744th | 1752nd |
| Roman numberals | ||
| Base 2 | 10001001011001001012 | 10001001101100001012 |
| Base 3 | 1120212221123 | 1120222110013 |
| Base 4 | 10102302114 | 10103120114 |
| Base 5 | 330010115 | 330104245 |
| Base 6 | 100104056 | 100133016 |
| Base 7 | 22512327 | 22530617 |
| Base 8 | 10454458 | 10466058 |
| Base 9 | 4678759 | 4687319 |
| Base 10 | 28138110 | 28198910 |
| Base 11 | 18245111 | 18295411 |
| Base 12 | 116a0512 | 11723112 |
| Base 13 | 9b0c913 | 9b47613 |
| Base 14 | 7478914 | 74aa114 |
| Base 15 | 5858b15 | 5884415 |
| Base 16 | 44b2516 | 44d8516 |