Compare 641213 vs 641222
| Property | 641213 | 641222 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6412131 | 21 × 3206111 |
| Prime factorization | 641213 | 2 × 320611 |
| Divisors count | 2 | 4 |
| Divisors | 1, 641213 | 1, 2, 320611, 641222 |
| Number of properties | 4 | 1 |
| Additive primes | 20388th | |
| Isolated primes | 40888th | |
| Primes | 52165th | |
| Semiprimes | 137396th | |
| Sophie germain primes | 5316th | |
| Roman numberals | ||
| Base 2 | 100111001000101111012 | 100111001000110001102 |
| Base 3 | 10121201201223 | 10121201202223 |
| Base 4 | 21302023314 | 21302030124 |
| Base 5 | 1310043235 | 1310043425 |
| Base 6 | 214243256 | 214243426 |
| Base 7 | 53102667 | 53103117 |
| Base 8 | 23442758 | 23443068 |
| Base 9 | 11765189 | 11765289 |
| Base 10 | 64121310 | 64122210 |
| Base 11 | 3a883111 | 3a883a11 |
| Base 12 | 26b0a512 | 26b0b212 |
| Base 13 | 195b2113 | 195b2a13 |
| Base 14 | 12996d14 | 12997814 |
| Base 15 | c9ec815 | c9ed215 |
| Base 16 | 9c8bd16 | 9c8c616 |