Compare 199921 vs 201287
| Property | 199921 | 201287 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1999211 | 2012871 |
| Prime factorization | 199921 | 201287 |
| Divisors count | 2 | 2 |
| Divisors | 1, 199921 | 1, 201287 |
| Number of properties | 5 | 6 |
| Additive primes | 7221st | |
| Harmonic primes | 6792nd | |
| Isolated primes | 13662nd | 13753rd |
| Long primes | 6779th | |
| Primes | 17979th | 18084th |
| Pythagorean primes | 8975th | |
| Sexy primes (2nd member) | 4317th | |
| Ulam primes | 1289th | 1294th |
| Roman numberals | ||
| Base 2 | 1100001100111100012 | 1100010010010001112 |
| Base 3 | 1010110201113 | 1010200100023 |
| Base 4 | 3003033014 | 3010210134 |
| Base 5 | 223441415 | 224201225 |
| Base 6 | 41413216 | 41515156 |
| Base 7 | 14616017 | 14655627 |
| Base 8 | 6063618 | 6111078 |
| Base 9 | 3342149 | 3361029 |
| Base 10 | 19992110 | 20128710 |
| Base 11 | 12722711 | 12825911 |
| Base 12 | 9784112 | 9859b12 |
| Base 13 | 6ccc713 | 7080813 |
| Base 14 | 52c0114 | 534d914 |
| Base 15 | 3e38115 | 3e99215 |
| Base 16 | 30cf116 | 3124716 |